./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/libvsync/rec_ticketlock.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9a849f68 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/GemCutterReach.xml -i ../sv-benchmarks/c/libvsync/rec_ticketlock.i -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 26fb157b5325eaa996338c8b5885df439eefd4a5361a0a1d7cce4088ff8240ef --- Real Ultimate output --- This is Ultimate 0.2.5-dev-9a849f6-m [2024-10-25 19:33:59,511 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-25 19:33:59,566 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-10-25 19:33:59,571 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-25 19:33:59,572 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-25 19:33:59,601 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-25 19:33:59,604 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-25 19:33:59,604 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-25 19:33:59,604 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-25 19:33:59,606 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-25 19:33:59,606 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-25 19:33:59,606 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-25 19:33:59,614 INFO L153 SettingsManager]: * Use SBE=true [2024-10-25 19:33:59,615 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-25 19:33:59,617 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-25 19:33:59,617 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-25 19:33:59,617 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-25 19:33:59,618 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-25 19:33:59,618 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-25 19:33:59,618 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-25 19:33:59,618 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-25 19:33:59,618 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-25 19:33:59,619 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-25 19:33:59,619 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-25 19:33:59,619 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-25 19:33:59,619 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-25 19:33:59,620 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-25 19:33:59,620 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-25 19:33:59,620 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-25 19:33:59,620 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-25 19:33:59,620 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-25 19:33:59,621 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-25 19:33:59,621 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-25 19:33:59,621 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-25 19:33:59,622 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-25 19:33:59,622 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-10-25 19:33:59,622 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-25 19:33:59,622 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-25 19:33:59,622 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-10-25 19:33:59,622 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-10-25 19:33:59,623 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-10-25 19:33:59,623 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 26fb157b5325eaa996338c8b5885df439eefd4a5361a0a1d7cce4088ff8240ef [2024-10-25 19:33:59,812 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-25 19:33:59,828 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-25 19:33:59,830 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-25 19:33:59,831 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-25 19:33:59,831 INFO L274 PluginConnector]: CDTParser initialized [2024-10-25 19:33:59,832 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../sv-benchmarks/c/libvsync/rec_ticketlock.i [2024-10-25 19:34:00,985 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-25 19:34:01,322 INFO L384 CDTParser]: Found 1 translation units. [2024-10-25 19:34:01,323 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/libvsync/rec_ticketlock.i [2024-10-25 19:34:01,356 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/bd0d740ca/3ad753375b9946a5ab3867a69d257f35/FLAGcba5ee2ee [2024-10-25 19:34:01,541 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/bd0d740ca/3ad753375b9946a5ab3867a69d257f35 [2024-10-25 19:34:01,543 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-25 19:34:01,543 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-25 19:34:01,544 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-25 19:34:01,544 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-25 19:34:01,552 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-25 19:34:01,552 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 07:34:01" (1/1) ... [2024-10-25 19:34:01,553 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49203e5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:34:01, skipping insertion in model container [2024-10-25 19:34:01,553 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 07:34:01" (1/1) ... [2024-10-25 19:34:01,625 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-25 19:34:02,964 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/libvsync/rec_ticketlock.i[172521,172534] [2024-10-25 19:34:02,968 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/libvsync/rec_ticketlock.i[172881,172894] [2024-10-25 19:34:03,100 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/libvsync/rec_ticketlock.i[195820,195833] [2024-10-25 19:34:03,101 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/libvsync/rec_ticketlock.i[195887,195900] [2024-10-25 19:34:03,112 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-25 19:34:03,119 INFO L200 MainTranslator]: Completed pre-run [2024-10-25 19:34:03,178 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3755] [2024-10-25 19:34:03,180 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3757] [2024-10-25 19:34:03,180 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3762] [2024-10-25 19:34:03,181 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3764] [2024-10-25 19:34:03,181 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3770] [2024-10-25 19:34:03,182 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3772] [2024-10-25 19:34:03,182 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3778] [2024-10-25 19:34:03,183 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3780] [2024-10-25 19:34:03,183 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3786] [2024-10-25 19:34:03,184 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3788] [2024-10-25 19:34:03,184 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3794] [2024-10-25 19:34:03,184 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3796] [2024-10-25 19:34:03,184 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3802] [2024-10-25 19:34:03,184 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3804] [2024-10-25 19:34:03,185 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3810] [2024-10-25 19:34:03,185 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3812] [2024-10-25 19:34:03,185 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3817] [2024-10-25 19:34:03,187 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3819] [2024-10-25 19:34:03,187 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3824] [2024-10-25 19:34:03,188 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3826] [2024-10-25 19:34:03,188 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3831] [2024-10-25 19:34:03,188 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3833] [2024-10-25 19:34:03,189 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3838] [2024-10-25 19:34:03,189 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3840] [2024-10-25 19:34:03,189 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3845] [2024-10-25 19:34:03,190 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3847] [2024-10-25 19:34:03,190 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3852] [2024-10-25 19:34:03,190 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3855] [2024-10-25 19:34:03,190 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3861] [2024-10-25 19:34:03,191 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3864] [2024-10-25 19:34:03,191 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3870] [2024-10-25 19:34:03,191 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3873] [2024-10-25 19:34:03,192 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3879] [2024-10-25 19:34:03,192 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3882] [2024-10-25 19:34:03,193 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3888] [2024-10-25 19:34:03,193 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3891] [2024-10-25 19:34:03,193 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3897] [2024-10-25 19:34:03,194 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3900] [2024-10-25 19:34:03,194 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3907] [2024-10-25 19:34:03,194 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3910] [2024-10-25 19:34:03,195 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3917] [2024-10-25 19:34:03,195 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3920] [2024-10-25 19:34:03,195 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3927] [2024-10-25 19:34:03,195 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3930] [2024-10-25 19:34:03,196 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3937] [2024-10-25 19:34:03,196 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3940] [2024-10-25 19:34:03,196 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3947] [2024-10-25 19:34:03,197 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3950] [2024-10-25 19:34:03,198 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3957] [2024-10-25 19:34:03,198 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3960] [2024-10-25 19:34:03,198 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3966] [2024-10-25 19:34:03,198 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3969] [2024-10-25 19:34:03,199 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3975] [2024-10-25 19:34:03,199 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3978] [2024-10-25 19:34:03,199 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3984] [2024-10-25 19:34:03,199 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3987] [2024-10-25 19:34:03,200 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3993] [2024-10-25 19:34:03,200 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3996] [2024-10-25 19:34:03,200 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4002] [2024-10-25 19:34:03,200 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4005] [2024-10-25 19:34:03,200 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4011] [2024-10-25 19:34:03,201 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4014] [2024-10-25 19:34:03,201 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4020] [2024-10-25 19:34:03,202 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4023] [2024-10-25 19:34:03,202 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4029] [2024-10-25 19:34:03,203 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4032] [2024-10-25 19:34:03,203 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4038] [2024-10-25 19:34:03,203 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4041] [2024-10-25 19:34:03,204 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4047] [2024-10-25 19:34:03,204 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4050] [2024-10-25 19:34:03,204 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4056] [2024-10-25 19:34:03,205 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4059] [2024-10-25 19:34:03,205 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4065] [2024-10-25 19:34:03,205 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4068] [2024-10-25 19:34:03,205 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4074] [2024-10-25 19:34:03,206 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4077] [2024-10-25 19:34:03,207 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4083] [2024-10-25 19:34:03,207 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4086] [2024-10-25 19:34:03,208 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4092] [2024-10-25 19:34:03,208 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4095] [2024-10-25 19:34:03,208 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4101] [2024-10-25 19:34:03,208 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4103] [2024-10-25 19:34:03,209 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4109] [2024-10-25 19:34:03,209 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4111] [2024-10-25 19:34:03,209 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4117] [2024-10-25 19:34:03,210 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4119] [2024-10-25 19:34:03,210 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4125] [2024-10-25 19:34:03,211 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4127] [2024-10-25 19:34:03,211 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4133] [2024-10-25 19:34:03,211 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4135] [2024-10-25 19:34:03,211 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4141] [2024-10-25 19:34:03,212 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4143] [2024-10-25 19:34:03,213 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4149] [2024-10-25 19:34:03,213 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4151] [2024-10-25 19:34:03,213 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4157] [2024-10-25 19:34:03,213 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4159] [2024-10-25 19:34:03,213 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4165] [2024-10-25 19:34:03,214 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4167] [2024-10-25 19:34:03,214 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4173] [2024-10-25 19:34:03,214 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4175] [2024-10-25 19:34:03,257 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/libvsync/rec_ticketlock.i[172521,172534] [2024-10-25 19:34:03,259 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/libvsync/rec_ticketlock.i[172881,172894] [2024-10-25 19:34:03,268 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/libvsync/rec_ticketlock.i[195820,195833] [2024-10-25 19:34:03,269 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/libvsync/rec_ticketlock.i[195887,195900] [2024-10-25 19:34:03,272 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-25 19:34:03,519 INFO L204 MainTranslator]: Completed translation [2024-10-25 19:34:03,519 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:34:03 WrapperNode [2024-10-25 19:34:03,519 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-25 19:34:03,520 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-25 19:34:03,520 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-25 19:34:03,520 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-25 19:34:03,524 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:34:03" (1/1) ... [2024-10-25 19:34:03,593 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:34:03" (1/1) ... [2024-10-25 19:34:03,634 INFO L138 Inliner]: procedures = 923, calls = 933, calls flagged for inlining = 834, calls inlined = 53, statements flattened = 512 [2024-10-25 19:34:03,634 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-25 19:34:03,635 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-25 19:34:03,635 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-25 19:34:03,635 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-25 19:34:03,641 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:34:03" (1/1) ... [2024-10-25 19:34:03,642 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:34:03" (1/1) ... [2024-10-25 19:34:03,644 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:34:03" (1/1) ... [2024-10-25 19:34:03,644 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:34:03" (1/1) ... [2024-10-25 19:34:03,655 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:34:03" (1/1) ... [2024-10-25 19:34:03,661 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:34:03" (1/1) ... [2024-10-25 19:34:03,670 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:34:03" (1/1) ... [2024-10-25 19:34:03,672 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:34:03" (1/1) ... [2024-10-25 19:34:03,675 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-25 19:34:03,679 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-25 19:34:03,680 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-25 19:34:03,680 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-25 19:34:03,680 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:34:03" (1/1) ... [2024-10-25 19:34:03,684 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-25 19:34:03,693 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-25 19:34:03,706 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-10-25 19:34:03,708 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-10-25 19:34:03,742 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-10-25 19:34:03,742 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-25 19:34:03,742 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-25 19:34:03,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-25 19:34:03,742 INFO L130 BoogieDeclarations]: Found specification of procedure run [2024-10-25 19:34:03,742 INFO L138 BoogieDeclarations]: Found implementation of procedure run [2024-10-25 19:34:03,742 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-25 19:34:03,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-10-25 19:34:03,743 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-25 19:34:03,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-25 19:34:03,745 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-25 19:34:03,884 INFO L238 CfgBuilder]: Building ICFG [2024-10-25 19:34:03,886 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-25 19:34:04,354 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-25 19:34:04,355 INFO L287 CfgBuilder]: Performing block encoding [2024-10-25 19:34:04,561 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-25 19:34:04,561 INFO L314 CfgBuilder]: Removed 78 assume(true) statements. [2024-10-25 19:34:04,561 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 07:34:04 BoogieIcfgContainer [2024-10-25 19:34:04,561 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-25 19:34:04,562 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-25 19:34:04,562 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-25 19:34:04,565 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-25 19:34:04,565 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.10 07:34:01" (1/3) ... [2024-10-25 19:34:04,565 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ec426a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 07:34:04, skipping insertion in model container [2024-10-25 19:34:04,565 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:34:03" (2/3) ... [2024-10-25 19:34:04,565 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ec426a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 07:34:04, skipping insertion in model container [2024-10-25 19:34:04,566 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 07:34:04" (3/3) ... [2024-10-25 19:34:04,566 INFO L112 eAbstractionObserver]: Analyzing ICFG rec_ticketlock.i [2024-10-25 19:34:04,579 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-25 19:34:04,579 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 5 error locations. [2024-10-25 19:34:04,579 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-25 19:34:04,657 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-10-25 19:34:04,694 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-25 19:34:04,695 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-10-25 19:34:04,695 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-25 19:34:04,696 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-10-25 19:34:04,698 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-10-25 19:34:04,724 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-10-25 19:34:04,733 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == runThread1of1ForFork0 ======== [2024-10-25 19:34:04,738 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@71f90d29, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-25 19:34:04,738 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-10-25 19:34:05,183 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting runErr2ASSERT_VIOLATIONERROR_FUNCTION === [runErr2ASSERT_VIOLATIONERROR_FUNCTION, runErr0ASSERT_VIOLATIONERROR_FUNCTION, runErr1ASSERT_VIOLATIONUNKNOWN] === [2024-10-25 19:34:05,187 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-25 19:34:05,188 INFO L85 PathProgramCache]: Analyzing trace with hash -1166657820, now seen corresponding path program 1 times [2024-10-25 19:34:05,194 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-25 19:34:05,194 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1921032428] [2024-10-25 19:34:05,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-25 19:34:05,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-25 19:34:05,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-25 19:34:05,326 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-25 19:34:05,326 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-25 19:34:05,327 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1921032428] [2024-10-25 19:34:05,327 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1921032428] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-25 19:34:05,327 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-25 19:34:05,327 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-25 19:34:05,328 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [559593624] [2024-10-25 19:34:05,329 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-25 19:34:05,331 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-25 19:34:05,332 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-25 19:34:05,346 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-25 19:34:05,347 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-25 19:34:05,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-25 19:34:05,348 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-25 19:34:05,353 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-25 19:34:05,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-25 19:34:05,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-25 19:34:05,446 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-25 19:34:05,446 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting runErr2ASSERT_VIOLATIONERROR_FUNCTION === [runErr2ASSERT_VIOLATIONERROR_FUNCTION, runErr0ASSERT_VIOLATIONERROR_FUNCTION, runErr1ASSERT_VIOLATIONUNKNOWN] === [2024-10-25 19:34:05,447 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-25 19:34:05,447 INFO L85 PathProgramCache]: Analyzing trace with hash -1705556324, now seen corresponding path program 1 times [2024-10-25 19:34:05,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-25 19:34:05,447 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [751031274] [2024-10-25 19:34:05,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-25 19:34:05,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-25 19:34:05,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-25 19:34:05,827 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-25 19:34:05,827 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-25 19:34:05,827 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [751031274] [2024-10-25 19:34:05,828 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [751031274] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-25 19:34:05,828 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2141590893] [2024-10-25 19:34:05,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-25 19:34:05,828 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-25 19:34:05,828 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-25 19:34:05,851 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-25 19:34:05,856 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-25 19:34:05,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-25 19:34:05,967 INFO L255 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-10-25 19:34:05,971 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-25 19:34:06,076 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-25 19:34:06,077 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-25 19:34:06,187 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-25 19:34:06,187 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2141590893] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-25 19:34:06,187 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-25 19:34:06,187 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 12 [2024-10-25 19:34:06,188 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [787241368] [2024-10-25 19:34:06,188 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-25 19:34:06,189 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-25 19:34:06,189 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-25 19:34:06,189 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-25 19:34:06,189 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2024-10-25 19:34:06,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-25 19:34:06,190 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-25 19:34:06,192 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.333333333333333) internal successors, (52), 12 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-25 19:34:06,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-25 19:34:06,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-25 19:34:06,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-25 19:34:06,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-25 19:34:06,476 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-25 19:34:06,667 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2024-10-25 19:34:06,668 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting runErr1ASSERT_VIOLATIONUNKNOWN === [runErr2ASSERT_VIOLATIONERROR_FUNCTION, runErr0ASSERT_VIOLATIONERROR_FUNCTION, runErr1ASSERT_VIOLATIONUNKNOWN] === [2024-10-25 19:34:06,668 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-25 19:34:06,668 INFO L85 PathProgramCache]: Analyzing trace with hash -688402377, now seen corresponding path program 1 times [2024-10-25 19:34:06,669 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-25 19:34:06,669 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [497893855] [2024-10-25 19:34:06,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-25 19:34:06,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-25 19:34:06,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-25 19:34:06,872 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-25 19:34:06,872 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-25 19:34:06,872 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [497893855] [2024-10-25 19:34:06,873 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [497893855] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-25 19:34:06,873 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1706268881] [2024-10-25 19:34:06,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-25 19:34:06,873 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-25 19:34:06,873 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-25 19:34:06,875 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-25 19:34:06,876 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-25 19:34:06,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-25 19:34:06,989 INFO L255 TraceCheckSpWp]: Trace formula consists of 267 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-10-25 19:34:06,991 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-25 19:34:07,031 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-25 19:34:07,031 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-25 19:34:07,115 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-25 19:34:07,115 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1706268881] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-25 19:34:07,115 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-25 19:34:07,115 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 6] total 12 [2024-10-25 19:34:07,116 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1601431565] [2024-10-25 19:34:07,116 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-25 19:34:07,116 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-25 19:34:07,116 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-25 19:34:07,117 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-25 19:34:07,117 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2024-10-25 19:34:07,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-25 19:34:07,117 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-25 19:34:07,117 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 5.25) internal successors, (63), 12 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-25 19:34:07,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-25 19:34:07,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-10-25 19:34:07,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-25 19:34:14,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-25 19:34:14,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-25 19:34:14,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-25 19:34:14,083 INFO L782 garLoopResultBuilder]: Registering result SAFE for location runErr2ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2024-10-25 19:34:14,083 INFO L782 garLoopResultBuilder]: Registering result SAFE for location runErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 3 remaining) [2024-10-25 19:34:14,084 INFO L782 garLoopResultBuilder]: Registering result SAFE for location runErr1ASSERT_VIOLATIONUNKNOWN (0 of 3 remaining) [2024-10-25 19:34:14,102 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-10-25 19:34:14,284 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-25 19:34:14,292 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-10-25 19:34:14,295 INFO L312 ceAbstractionStarter]: Result for error location runThread1of1ForFork0 was SAFE,SAFE,SAFE (1/2) [2024-10-25 19:34:14,298 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-25 19:34:14,300 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-10-25 19:34:14,300 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-25 19:34:14,302 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-10-25 19:34:14,303 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (5)] Waiting until timeout for monitored process [2024-10-25 19:34:14,304 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-10-25 19:34:14,305 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-10-25 19:34:14,305 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@71f90d29, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-25 19:34:14,305 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-10-25 19:34:14,524 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-25 19:34:14,524 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-25 19:34:14,524 INFO L85 PathProgramCache]: Analyzing trace with hash 185304202, now seen corresponding path program 1 times [2024-10-25 19:34:14,524 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-25 19:34:14,524 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1409905094] [2024-10-25 19:34:14,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-25 19:34:14,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-25 19:34:14,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-25 19:34:14,534 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-25 19:34:14,534 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-25 19:34:14,535 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1409905094] [2024-10-25 19:34:14,535 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1409905094] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-25 19:34:14,535 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-25 19:34:14,535 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-25 19:34:14,535 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [452888030] [2024-10-25 19:34:14,535 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-25 19:34:14,535 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-25 19:34:14,535 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-25 19:34:14,536 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-25 19:34:14,536 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-25 19:34:14,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-25 19:34:14,536 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-25 19:34:14,536 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-25 19:34:14,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-25 19:34:14,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-25 19:34:14,571 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-25 19:34:14,571 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-25 19:34:14,571 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-25 19:34:14,571 INFO L85 PathProgramCache]: Analyzing trace with hash -909967323, now seen corresponding path program 1 times [2024-10-25 19:34:14,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-25 19:34:14,571 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1128073755] [2024-10-25 19:34:14,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-25 19:34:14,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-25 19:34:14,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-25 19:34:14,597 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-25 19:34:14,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-25 19:34:14,621 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-25 19:34:14,622 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-25 19:34:14,622 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 3 remaining) [2024-10-25 19:34:14,622 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 3 remaining) [2024-10-25 19:34:14,622 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (0 of 3 remaining) [2024-10-25 19:34:14,622 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-25 19:34:14,624 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-10-25 19:34:14,624 INFO L312 ceAbstractionStarter]: Result for error location ULTIMATE.start was UNSAFE,UNKNOWN,UNKNOWN (2/2) [2024-10-25 19:34:14,625 WARN L239 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2024-10-25 19:34:14,625 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2024-10-25 19:34:14,687 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-10-25 19:34:14,691 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-25 19:34:14,694 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-10-25 19:34:14,695 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-25 19:34:14,696 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-10-25 19:34:14,697 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (6)] Waiting until timeout for monitored process [2024-10-25 19:34:14,699 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-10-25 19:34:14,699 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == runThread2of2ForFork0 ======== [2024-10-25 19:34:14,699 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@71f90d29, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-25 19:34:14,700 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-10-25 19:34:16,365 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting runErr2ASSERT_VIOLATIONERROR_FUNCTION === [runErr2ASSERT_VIOLATIONERROR_FUNCTION, runErr0ASSERT_VIOLATIONERROR_FUNCTION, runErr1ASSERT_VIOLATIONUNKNOWN] === [2024-10-25 19:34:16,365 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-25 19:34:16,366 INFO L85 PathProgramCache]: Analyzing trace with hash 1107285627, now seen corresponding path program 1 times [2024-10-25 19:34:16,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-25 19:34:16,366 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1855528295] [2024-10-25 19:34:16,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-25 19:34:16,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-25 19:34:16,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-25 19:34:16,467 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 265 trivial. 0 not checked. [2024-10-25 19:34:16,467 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-25 19:34:16,467 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1855528295] [2024-10-25 19:34:16,467 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1855528295] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-25 19:34:16,467 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-25 19:34:16,467 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-25 19:34:16,468 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [159877478] [2024-10-25 19:34:16,468 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-25 19:34:16,468 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-25 19:34:16,468 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-25 19:34:16,471 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-25 19:34:16,471 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-25 19:34:16,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-25 19:34:16,471 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-25 19:34:16,471 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 31.0) internal successors, (62), 2 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-25 19:34:16,471 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-25 19:34:16,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-25 19:34:16,824 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-25 19:34:16,824 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting runErr2ASSERT_VIOLATIONERROR_FUNCTION === [runErr2ASSERT_VIOLATIONERROR_FUNCTION, runErr0ASSERT_VIOLATIONERROR_FUNCTION, runErr1ASSERT_VIOLATIONUNKNOWN] === [2024-10-25 19:34:16,825 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-25 19:34:16,825 INFO L85 PathProgramCache]: Analyzing trace with hash 1825972324, now seen corresponding path program 1 times [2024-10-25 19:34:16,825 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-25 19:34:16,825 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [556121789] [2024-10-25 19:34:16,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-25 19:34:16,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-25 19:34:16,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-25 19:34:16,933 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 214 proven. 0 refuted. 0 times theorem prover too weak. 206 trivial. 0 not checked. [2024-10-25 19:34:16,933 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-25 19:34:16,933 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [556121789] [2024-10-25 19:34:16,933 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [556121789] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-25 19:34:16,933 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-25 19:34:16,933 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-25 19:34:16,933 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1754876059] [2024-10-25 19:34:16,934 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-25 19:34:16,934 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-25 19:34:16,934 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-25 19:34:16,934 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-25 19:34:16,935 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-25 19:34:16,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-25 19:34:16,935 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-25 19:34:16,935 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.0) internal successors, (120), 3 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-25 19:34:16,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-25 19:34:16,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-25 19:34:17,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-25 19:34:17,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-25 19:34:17,013 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-25 19:34:17,013 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting runErr2ASSERT_VIOLATIONERROR_FUNCTION === [runErr2ASSERT_VIOLATIONERROR_FUNCTION, runErr0ASSERT_VIOLATIONERROR_FUNCTION, runErr1ASSERT_VIOLATIONUNKNOWN] === [2024-10-25 19:34:17,014 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-25 19:34:17,014 INFO L85 PathProgramCache]: Analyzing trace with hash 465780696, now seen corresponding path program 1 times [2024-10-25 19:34:17,014 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-25 19:34:17,014 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [19059867] [2024-10-25 19:34:17,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-25 19:34:17,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-25 19:34:17,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-25 19:34:17,123 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2024-10-25 19:34:17,124 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-25 19:34:17,124 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [19059867] [2024-10-25 19:34:17,124 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [19059867] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-25 19:34:17,124 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-25 19:34:17,124 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-25 19:34:17,124 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [956689100] [2024-10-25 19:34:17,125 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-25 19:34:17,125 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-25 19:34:17,125 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-25 19:34:17,126 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-25 19:34:17,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-25 19:34:17,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-25 19:34:17,127 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-25 19:34:17,127 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.0) internal successors, (108), 3 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-25 19:34:17,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-25 19:34:17,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-25 19:34:17,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-25 19:34:17,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-25 19:34:17,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-25 19:34:17,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-25 19:34:17,236 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-25 19:34:17,236 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting runErr2ASSERT_VIOLATIONERROR_FUNCTION === [runErr2ASSERT_VIOLATIONERROR_FUNCTION, runErr0ASSERT_VIOLATIONERROR_FUNCTION, runErr1ASSERT_VIOLATIONUNKNOWN] === [2024-10-25 19:34:17,236 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-25 19:34:17,236 INFO L85 PathProgramCache]: Analyzing trace with hash -896619766, now seen corresponding path program 1 times [2024-10-25 19:34:17,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-25 19:34:17,236 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1390134512] [2024-10-25 19:34:17,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-25 19:34:17,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-25 19:34:17,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-25 19:34:17,509 INFO L134 CoverageAnalysis]: Checked inductivity of 326 backedges. 96 proven. 11 refuted. 0 times theorem prover too weak. 219 trivial. 0 not checked. [2024-10-25 19:34:17,509 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-25 19:34:17,509 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1390134512] [2024-10-25 19:34:17,509 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1390134512] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-25 19:34:17,510 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [54731871] [2024-10-25 19:34:17,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-25 19:34:17,510 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-25 19:34:17,510 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-25 19:34:17,511 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-25 19:34:17,512 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-25 19:34:17,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-25 19:34:17,782 INFO L255 TraceCheckSpWp]: Trace formula consists of 1230 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-25 19:34:17,787 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-25 19:34:17,834 INFO L134 CoverageAnalysis]: Checked inductivity of 326 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 219 trivial. 0 not checked. [2024-10-25 19:34:17,836 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-25 19:34:17,836 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [54731871] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-25 19:34:17,836 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-25 19:34:17,837 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 6 [2024-10-25 19:34:17,837 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1947227138] [2024-10-25 19:34:17,837 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-25 19:34:17,837 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-25 19:34:17,837 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-25 19:34:17,838 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-25 19:34:17,838 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-25 19:34:17,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-25 19:34:17,838 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-25 19:34:17,838 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 24.8) internal successors, (124), 5 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-25 19:34:17,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-25 19:34:17,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-25 19:34:17,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-25 19:34:17,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-25 19:34:18,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-25 19:34:18,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-25 19:34:18,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-25 19:34:18,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-25 19:34:18,464 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-10-25 19:34:18,649 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-25 19:34:18,649 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting runErr2ASSERT_VIOLATIONERROR_FUNCTION === [runErr2ASSERT_VIOLATIONERROR_FUNCTION, runErr0ASSERT_VIOLATIONERROR_FUNCTION, runErr1ASSERT_VIOLATIONUNKNOWN] === [2024-10-25 19:34:18,649 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-25 19:34:18,649 INFO L85 PathProgramCache]: Analyzing trace with hash -447131555, now seen corresponding path program 1 times [2024-10-25 19:34:18,650 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-25 19:34:18,650 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1059192726] [2024-10-25 19:34:18,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-25 19:34:18,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-25 19:34:18,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-25 19:34:18,835 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 71 proven. 20 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2024-10-25 19:34:18,835 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-25 19:34:18,835 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1059192726] [2024-10-25 19:34:18,835 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1059192726] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-25 19:34:18,835 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [497728001] [2024-10-25 19:34:18,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-25 19:34:18,835 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-25 19:34:18,835 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-25 19:34:18,837 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-25 19:34:18,838 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-10-25 19:34:19,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-25 19:34:19,058 INFO L255 TraceCheckSpWp]: Trace formula consists of 810 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-25 19:34:19,061 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-25 19:34:19,101 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 91 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2024-10-25 19:34:19,101 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-25 19:34:19,101 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [497728001] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-25 19:34:19,101 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-25 19:34:19,101 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 6 [2024-10-25 19:34:19,101 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1207512292] [2024-10-25 19:34:19,101 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-25 19:34:19,102 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-25 19:34:19,102 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-25 19:34:19,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-25 19:34:19,102 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-25 19:34:19,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-25 19:34:19,102 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-25 19:34:19,102 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 22.8) internal successors, (114), 5 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-25 19:34:19,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-25 19:34:19,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-25 19:34:19,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-25 19:34:19,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-25 19:34:19,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-25 19:34:20,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-25 19:34:20,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-25 19:34:20,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-25 19:34:20,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-25 19:34:20,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-25 19:34:20,153 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-10-25 19:34:20,339 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-10-25 19:34:20,340 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting runErr2ASSERT_VIOLATIONERROR_FUNCTION === [runErr2ASSERT_VIOLATIONERROR_FUNCTION, runErr0ASSERT_VIOLATIONERROR_FUNCTION, runErr1ASSERT_VIOLATIONUNKNOWN] === [2024-10-25 19:34:20,340 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-25 19:34:20,340 INFO L85 PathProgramCache]: Analyzing trace with hash 543937086, now seen corresponding path program 1 times [2024-10-25 19:34:20,340 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-25 19:34:20,340 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [53110742] [2024-10-25 19:34:20,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-25 19:34:20,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-25 19:34:20,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-25 19:34:20,659 INFO L134 CoverageAnalysis]: Checked inductivity of 524 backedges. 266 proven. 17 refuted. 0 times theorem prover too weak. 241 trivial. 0 not checked. [2024-10-25 19:34:20,659 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-25 19:34:20,659 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [53110742] [2024-10-25 19:34:20,660 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [53110742] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-25 19:34:20,660 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [721180964] [2024-10-25 19:34:20,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-25 19:34:20,660 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-25 19:34:20,660 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-25 19:34:20,661 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-25 19:34:20,662 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-10-25 19:34:21,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-25 19:34:21,064 INFO L255 TraceCheckSpWp]: Trace formula consists of 2158 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-25 19:34:21,069 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-25 19:34:21,120 INFO L134 CoverageAnalysis]: Checked inductivity of 524 backedges. 283 proven. 0 refuted. 0 times theorem prover too weak. 241 trivial. 0 not checked. [2024-10-25 19:34:21,120 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-25 19:34:21,120 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [721180964] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-25 19:34:21,120 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-25 19:34:21,121 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 6 [2024-10-25 19:34:21,121 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [471281957] [2024-10-25 19:34:21,121 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-25 19:34:21,121 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-25 19:34:21,121 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-25 19:34:21,122 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-25 19:34:21,122 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-25 19:34:21,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-25 19:34:21,122 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-25 19:34:21,122 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 39.0) internal successors, (195), 5 states have internal predecessors, (195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-25 19:34:21,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-25 19:34:21,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-25 19:34:21,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-25 19:34:21,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-25 19:34:21,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-25 19:34:21,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-25 19:34:22,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-25 19:34:22,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-25 19:34:22,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-25 19:34:22,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-25 19:34:22,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-25 19:34:22,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-25 19:34:22,456 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-10-25 19:34:22,641 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-25 19:34:22,641 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting runErr2ASSERT_VIOLATIONERROR_FUNCTION === [runErr2ASSERT_VIOLATIONERROR_FUNCTION, runErr0ASSERT_VIOLATIONERROR_FUNCTION, runErr1ASSERT_VIOLATIONUNKNOWN] === [2024-10-25 19:34:22,642 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-25 19:34:22,642 INFO L85 PathProgramCache]: Analyzing trace with hash 1975173706, now seen corresponding path program 1 times [2024-10-25 19:34:22,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-25 19:34:22,642 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1472363252] [2024-10-25 19:34:22,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-25 19:34:22,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-25 19:34:22,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-25 19:34:23,195 INFO L134 CoverageAnalysis]: Checked inductivity of 5829 backedges. 717 proven. 0 refuted. 0 times theorem prover too weak. 5112 trivial. 0 not checked. [2024-10-25 19:34:23,195 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-25 19:34:23,195 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1472363252] [2024-10-25 19:34:23,195 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1472363252] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-25 19:34:23,195 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-25 19:34:23,195 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-25 19:34:23,195 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1998832510] [2024-10-25 19:34:23,196 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-25 19:34:23,196 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-25 19:34:23,196 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-25 19:34:23,197 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-25 19:34:23,197 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-25 19:34:23,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-25 19:34:23,197 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-25 19:34:23,198 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 53.333333333333336) internal successors, (160), 3 states have internal predecessors, (160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-25 19:34:23,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-25 19:34:23,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-25 19:34:23,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-25 19:34:23,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-25 19:34:23,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-25 19:34:23,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-25 19:34:23,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-25 19:34:23,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-25 19:34:23,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-25 19:34:23,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-25 19:34:23,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-25 19:34:23,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-25 19:34:23,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-25 19:34:23,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-25 19:34:23,380 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-25 19:34:23,380 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting runErr2ASSERT_VIOLATIONERROR_FUNCTION === [runErr2ASSERT_VIOLATIONERROR_FUNCTION, runErr0ASSERT_VIOLATIONERROR_FUNCTION, runErr1ASSERT_VIOLATIONUNKNOWN] === [2024-10-25 19:34:23,380 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-25 19:34:23,381 INFO L85 PathProgramCache]: Analyzing trace with hash -1534176006, now seen corresponding path program 1 times [2024-10-25 19:34:23,381 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-25 19:34:23,381 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [824817285] [2024-10-25 19:34:23,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-25 19:34:23,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-25 19:34:23,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-25 19:34:24,223 INFO L134 CoverageAnalysis]: Checked inductivity of 5483 backedges. 1230 proven. 31 refuted. 0 times theorem prover too weak. 4222 trivial. 0 not checked. [2024-10-25 19:34:24,223 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-25 19:34:24,223 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [824817285] [2024-10-25 19:34:24,223 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [824817285] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-25 19:34:24,224 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [162414741] [2024-10-25 19:34:24,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-25 19:34:24,224 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-25 19:34:24,224 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-25 19:34:24,225 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-25 19:34:24,227 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-10-25 19:34:25,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-25 19:34:25,134 INFO L255 TraceCheckSpWp]: Trace formula consists of 5758 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-25 19:34:25,146 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-25 19:34:25,212 INFO L134 CoverageAnalysis]: Checked inductivity of 5483 backedges. 1261 proven. 0 refuted. 0 times theorem prover too weak. 4222 trivial. 0 not checked. [2024-10-25 19:34:25,212 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-25 19:34:25,212 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [162414741] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-25 19:34:25,212 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-25 19:34:25,212 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 6 [2024-10-25 19:34:25,213 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2129411393] [2024-10-25 19:34:25,213 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-25 19:34:25,213 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-25 19:34:25,213 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-25 19:34:25,214 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-25 19:34:25,214 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-25 19:34:25,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-25 19:34:25,214 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-25 19:34:25,214 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 45.6) internal successors, (228), 5 states have internal predecessors, (228), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-25 19:34:25,214 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-25 19:34:25,214 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-25 19:34:25,214 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-25 19:34:25,215 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-25 19:34:25,215 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-25 19:34:25,215 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-25 19:34:25,215 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-25 19:34:25,215 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-25 19:34:25,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-25 19:34:25,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-25 19:34:25,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-25 19:34:25,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-25 19:34:25,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-25 19:34:25,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-25 19:34:25,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-25 19:34:25,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-25 19:34:25,381 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-10-25 19:34:25,559 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-25 19:34:25,560 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting runErr2ASSERT_VIOLATIONERROR_FUNCTION === [runErr2ASSERT_VIOLATIONERROR_FUNCTION, runErr0ASSERT_VIOLATIONERROR_FUNCTION, runErr1ASSERT_VIOLATIONUNKNOWN] === [2024-10-25 19:34:25,560 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-25 19:34:25,560 INFO L85 PathProgramCache]: Analyzing trace with hash 29879649, now seen corresponding path program 1 times [2024-10-25 19:34:25,561 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-25 19:34:25,561 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [639803065] [2024-10-25 19:34:25,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-25 19:34:25,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-25 19:34:25,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-25 19:34:26,084 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 35 proven. 8 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2024-10-25 19:34:26,084 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-25 19:34:26,085 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [639803065] [2024-10-25 19:34:26,085 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [639803065] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-25 19:34:26,085 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2064296130] [2024-10-25 19:34:26,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-25 19:34:26,085 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-25 19:34:26,085 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-25 19:34:26,087 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-25 19:34:26,088 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-10-25 19:34:26,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-25 19:34:26,425 INFO L255 TraceCheckSpWp]: Trace formula consists of 1108 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-10-25 19:34:26,429 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-25 19:34:26,496 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 26 proven. 2 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2024-10-25 19:34:26,496 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-25 19:34:26,554 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 26 proven. 2 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2024-10-25 19:34:26,554 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2064296130] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-25 19:34:26,555 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-25 19:34:26,555 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 7, 7] total 16 [2024-10-25 19:34:26,555 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [117937502] [2024-10-25 19:34:26,555 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-25 19:34:26,555 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-10-25 19:34:26,555 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-25 19:34:26,556 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-10-25 19:34:26,556 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=192, Unknown=0, NotChecked=0, Total=240 [2024-10-25 19:34:26,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-25 19:34:26,557 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-25 19:34:26,557 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 15.375) internal successors, (246), 16 states have internal predecessors, (246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-25 19:34:26,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-25 19:34:26,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-25 19:34:26,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-25 19:34:26,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-25 19:34:26,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-25 19:34:26,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-25 19:34:26,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-25 19:34:26,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-25 19:34:26,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-25 19:34:36,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-25 19:34:36,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-25 19:34:36,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-25 19:34:36,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-25 19:34:36,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-25 19:34:36,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-25 19:34:36,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-25 19:34:36,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-25 19:34:36,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-25 19:34:36,629 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-10-25 19:34:36,816 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-10-25 19:34:36,816 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting runErr1ASSERT_VIOLATIONUNKNOWN === [runErr2ASSERT_VIOLATIONERROR_FUNCTION, runErr0ASSERT_VIOLATIONERROR_FUNCTION, runErr1ASSERT_VIOLATIONUNKNOWN] === [2024-10-25 19:34:36,816 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-25 19:34:36,817 INFO L85 PathProgramCache]: Analyzing trace with hash 940811372, now seen corresponding path program 1 times [2024-10-25 19:34:36,817 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-25 19:34:36,817 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1374887024] [2024-10-25 19:34:36,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-25 19:34:36,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-25 19:34:36,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-25 19:34:37,482 INFO L134 CoverageAnalysis]: Checked inductivity of 5135 backedges. 2423 proven. 296 refuted. 0 times theorem prover too weak. 2416 trivial. 0 not checked. [2024-10-25 19:34:37,482 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-25 19:34:37,482 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1374887024] [2024-10-25 19:34:37,482 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1374887024] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-25 19:34:37,482 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [826252313] [2024-10-25 19:34:37,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-25 19:34:37,483 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-25 19:34:37,483 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-25 19:34:37,484 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-25 19:34:37,486 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-10-25 19:34:38,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-25 19:34:38,125 INFO L255 TraceCheckSpWp]: Trace formula consists of 3834 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-25 19:34:38,134 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-25 19:34:38,309 INFO L134 CoverageAnalysis]: Checked inductivity of 5135 backedges. 2719 proven. 0 refuted. 0 times theorem prover too weak. 2416 trivial. 0 not checked. [2024-10-25 19:34:38,309 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-25 19:34:38,309 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [826252313] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-25 19:34:38,309 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-25 19:34:38,309 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 6 [2024-10-25 19:34:38,309 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [992847892] [2024-10-25 19:34:38,310 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-25 19:34:38,310 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-25 19:34:38,310 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-25 19:34:38,311 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-25 19:34:38,311 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-25 19:34:38,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-25 19:34:38,311 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-25 19:34:38,311 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 43.6) internal successors, (218), 5 states have internal predecessors, (218), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-25 19:34:38,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-25 19:34:38,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-25 19:34:38,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-25 19:34:38,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-25 19:34:38,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-25 19:34:38,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-25 19:34:38,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-25 19:34:38,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-25 19:34:38,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-10-25 19:34:38,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-25 19:34:39,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-25 19:34:39,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-25 19:34:39,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-25 19:34:39,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-25 19:34:39,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-25 19:34:39,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-25 19:34:39,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-25 19:34:39,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-25 19:34:39,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-25 19:34:39,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-25 19:34:39,108 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-10-25 19:34:39,291 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,12 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-25 19:34:39,291 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting runErr1ASSERT_VIOLATIONUNKNOWN === [runErr2ASSERT_VIOLATIONERROR_FUNCTION, runErr0ASSERT_VIOLATIONERROR_FUNCTION, runErr1ASSERT_VIOLATIONUNKNOWN] === [2024-10-25 19:34:39,291 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-25 19:34:39,291 INFO L85 PathProgramCache]: Analyzing trace with hash 1460099559, now seen corresponding path program 1 times [2024-10-25 19:34:39,292 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-25 19:34:39,292 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1761425081] [2024-10-25 19:34:39,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-25 19:34:39,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-25 19:34:39,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-25 19:34:39,799 INFO L134 CoverageAnalysis]: Checked inductivity of 577 backedges. 55 proven. 16 refuted. 0 times theorem prover too weak. 506 trivial. 0 not checked. [2024-10-25 19:34:39,799 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-25 19:34:39,799 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1761425081] [2024-10-25 19:34:39,799 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1761425081] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-25 19:34:39,799 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [134615480] [2024-10-25 19:34:39,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-25 19:34:39,800 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-25 19:34:39,800 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-25 19:34:39,801 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-25 19:34:39,802 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-10-25 19:34:40,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-25 19:34:40,215 INFO L255 TraceCheckSpWp]: Trace formula consists of 1627 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-10-25 19:34:40,220 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-25 19:34:40,273 INFO L134 CoverageAnalysis]: Checked inductivity of 577 backedges. 63 proven. 1 refuted. 0 times theorem prover too weak. 513 trivial. 0 not checked. [2024-10-25 19:34:40,273 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-25 19:34:40,322 INFO L134 CoverageAnalysis]: Checked inductivity of 577 backedges. 63 proven. 1 refuted. 0 times theorem prover too weak. 513 trivial. 0 not checked. [2024-10-25 19:34:40,323 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [134615480] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-25 19:34:40,323 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-25 19:34:40,323 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5, 5] total 13 [2024-10-25 19:34:40,323 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2045374304] [2024-10-25 19:34:40,323 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-25 19:34:40,324 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-25 19:34:40,324 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-25 19:34:40,325 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-25 19:34:40,325 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2024-10-25 19:34:40,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-25 19:34:40,326 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-25 19:34:40,326 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 15.692307692307692) internal successors, (204), 13 states have internal predecessors, (204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-25 19:34:40,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-25 19:34:40,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-25 19:34:40,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-25 19:34:40,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-25 19:34:40,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-25 19:34:40,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-25 19:34:40,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-25 19:34:40,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-25 19:34:40,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-10-25 19:34:40,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-25 19:34:40,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-25 19:36:06,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-25 19:36:06,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-25 19:36:06,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-25 19:36:06,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-25 19:36:06,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-25 19:36:06,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-25 19:36:06,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-25 19:36:06,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-25 19:36:06,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-10-25 19:36:06,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-25 19:36:06,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-10-25 19:36:06,654 INFO L782 garLoopResultBuilder]: Registering result SAFE for location runErr2ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2024-10-25 19:36:06,654 INFO L782 garLoopResultBuilder]: Registering result SAFE for location runErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 3 remaining) [2024-10-25 19:36:06,654 INFO L782 garLoopResultBuilder]: Registering result SAFE for location runErr1ASSERT_VIOLATIONUNKNOWN (0 of 3 remaining) [2024-10-25 19:36:06,669 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-10-25 19:36:06,854 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-10-25 19:36:06,856 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-25 19:36:06,856 INFO L312 ceAbstractionStarter]: Result for error location runThread2of2ForFork0 was SAFE,SAFE,SAFE (1/3) [2024-10-25 19:36:06,859 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-25 19:36:06,859 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-10-25 19:36:06,860 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-25 19:36:06,861 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-10-25 19:36:06,862 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (14)] Waiting until timeout for monitored process [2024-10-25 19:36:06,866 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-10-25 19:36:06,866 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == runThread1of2ForFork0 ======== [2024-10-25 19:36:06,867 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@71f90d29, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-25 19:36:06,867 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-10-25 19:36:07,448 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting runErr2ASSERT_VIOLATIONERROR_FUNCTION === [runErr2ASSERT_VIOLATIONERROR_FUNCTION, runErr0ASSERT_VIOLATIONERROR_FUNCTION, runErr1ASSERT_VIOLATIONUNKNOWN] === [2024-10-25 19:36:07,448 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-25 19:36:07,448 INFO L85 PathProgramCache]: Analyzing trace with hash 1500779723, now seen corresponding path program 1 times [2024-10-25 19:36:07,448 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-25 19:36:07,448 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [504878785] [2024-10-25 19:36:07,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-25 19:36:07,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-25 19:36:07,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-25 19:36:07,468 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2024-10-25 19:36:07,468 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-25 19:36:07,468 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [504878785] [2024-10-25 19:36:07,468 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [504878785] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-25 19:36:07,468 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-25 19:36:07,469 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-25 19:36:07,469 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1281505504] [2024-10-25 19:36:07,469 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-25 19:36:07,469 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-25 19:36:07,469 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-25 19:36:07,470 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-25 19:36:07,470 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-25 19:36:07,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-25 19:36:07,470 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-25 19:36:07,470 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-25 19:36:07,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-25 19:36:07,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-25 19:36:07,555 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-10-25 19:36:07,555 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting runErr2ASSERT_VIOLATIONERROR_FUNCTION === [runErr2ASSERT_VIOLATIONERROR_FUNCTION, runErr0ASSERT_VIOLATIONERROR_FUNCTION, runErr1ASSERT_VIOLATIONUNKNOWN] === [2024-10-25 19:36:07,555 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-25 19:36:07,555 INFO L85 PathProgramCache]: Analyzing trace with hash 1921560867, now seen corresponding path program 1 times [2024-10-25 19:36:07,555 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-25 19:36:07,555 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [934266716] [2024-10-25 19:36:07,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-25 19:36:07,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-25 19:36:07,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-25 19:36:07,630 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 11 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-10-25 19:36:07,630 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-25 19:36:07,630 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [934266716] [2024-10-25 19:36:07,630 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [934266716] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-25 19:36:07,630 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1385612348] [2024-10-25 19:36:07,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-25 19:36:07,631 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-25 19:36:07,631 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-25 19:36:07,632 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-25 19:36:07,634 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-10-25 19:36:07,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-25 19:36:07,888 INFO L255 TraceCheckSpWp]: Trace formula consists of 404 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-25 19:36:07,890 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-25 19:36:07,915 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-10-25 19:36:07,915 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-25 19:36:07,915 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1385612348] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-25 19:36:07,915 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-25 19:36:07,915 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 6 [2024-10-25 19:36:07,916 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [166053079] [2024-10-25 19:36:07,916 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-25 19:36:07,916 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-25 19:36:07,916 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-25 19:36:07,916 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-25 19:36:07,916 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-25 19:36:07,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-25 19:36:07,916 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-25 19:36:07,917 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-25 19:36:07,917 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-25 19:36:07,917 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-25 19:36:08,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-25 19:36:08,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-25 19:36:08,639 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-10-25 19:36:08,826 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-10-25 19:36:08,827 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting runErr2ASSERT_VIOLATIONERROR_FUNCTION === [runErr2ASSERT_VIOLATIONERROR_FUNCTION, runErr0ASSERT_VIOLATIONERROR_FUNCTION, runErr1ASSERT_VIOLATIONUNKNOWN] === [2024-10-25 19:36:08,827 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-25 19:36:08,827 INFO L85 PathProgramCache]: Analyzing trace with hash 662435998, now seen corresponding path program 1 times [2024-10-25 19:36:08,827 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-25 19:36:08,827 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1603479695] [2024-10-25 19:36:08,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-25 19:36:08,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-25 19:36:08,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-25 19:36:09,232 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 160 proven. 20 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2024-10-25 19:36:09,233 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-25 19:36:09,233 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1603479695] [2024-10-25 19:36:09,233 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1603479695] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-25 19:36:09,233 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1350971401] [2024-10-25 19:36:09,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-25 19:36:09,233 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-25 19:36:09,233 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-25 19:36:09,235 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-25 19:36:09,240 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-10-25 19:36:09,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-25 19:36:09,617 INFO L255 TraceCheckSpWp]: Trace formula consists of 1340 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-25 19:36:09,620 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-25 19:36:09,651 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 180 proven. 0 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2024-10-25 19:36:09,651 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-25 19:36:09,652 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1350971401] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-25 19:36:09,652 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-25 19:36:09,652 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 6 [2024-10-25 19:36:09,652 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [43508330] [2024-10-25 19:36:09,652 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-25 19:36:09,652 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-25 19:36:09,652 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-25 19:36:09,653 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-25 19:36:09,653 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-25 19:36:09,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-25 19:36:09,653 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-25 19:36:09,653 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 26.6) internal successors, (133), 5 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-25 19:36:09,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-25 19:36:09,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-25 19:36:09,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-25 19:36:09,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-25 19:36:09,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-25 19:36:09,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-25 19:36:10,020 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2024-10-25 19:36:10,199 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,16 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-25 19:36:10,200 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting runErr2ASSERT_VIOLATIONERROR_FUNCTION === [runErr2ASSERT_VIOLATIONERROR_FUNCTION, runErr0ASSERT_VIOLATIONERROR_FUNCTION, runErr1ASSERT_VIOLATIONUNKNOWN] === [2024-10-25 19:36:10,200 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-25 19:36:10,200 INFO L85 PathProgramCache]: Analyzing trace with hash -985794200, now seen corresponding path program 1 times [2024-10-25 19:36:10,200 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-25 19:36:10,200 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [181943576] [2024-10-25 19:36:10,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-25 19:36:10,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-25 19:36:10,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-25 19:36:10,530 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 48 proven. 16 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-10-25 19:36:10,530 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-25 19:36:10,530 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [181943576] [2024-10-25 19:36:10,530 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [181943576] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-25 19:36:10,530 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1476478714] [2024-10-25 19:36:10,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-25 19:36:10,531 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-25 19:36:10,531 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-25 19:36:10,532 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-25 19:36:10,533 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-10-25 19:36:10,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-25 19:36:10,853 INFO L255 TraceCheckSpWp]: Trace formula consists of 967 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-10-25 19:36:10,855 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-25 19:36:11,001 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 36 proven. 14 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-10-25 19:36:11,002 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-25 19:36:11,169 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 46 proven. 4 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-10-25 19:36:11,169 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1476478714] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-25 19:36:11,169 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-25 19:36:11,169 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 7, 7] total 16 [2024-10-25 19:36:11,169 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1141067913] [2024-10-25 19:36:11,169 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-25 19:36:11,170 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-10-25 19:36:11,170 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-25 19:36:11,170 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-10-25 19:36:11,171 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=204, Unknown=0, NotChecked=0, Total=240 [2024-10-25 19:36:11,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-25 19:36:11,171 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-25 19:36:11,171 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 18.0) internal successors, (288), 16 states have internal predecessors, (288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-25 19:36:11,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-25 19:36:11,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-25 19:36:11,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-25 19:36:11,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-25 19:36:12,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-25 19:36:12,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-25 19:36:12,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-25 19:36:12,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-10-25 19:36:12,410 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-10-25 19:36:12,596 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,17 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-25 19:36:12,596 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting runErr1ASSERT_VIOLATIONUNKNOWN === [runErr2ASSERT_VIOLATIONERROR_FUNCTION, runErr0ASSERT_VIOLATIONERROR_FUNCTION, runErr1ASSERT_VIOLATIONUNKNOWN] === [2024-10-25 19:36:12,597 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-25 19:36:12,597 INFO L85 PathProgramCache]: Analyzing trace with hash 991007938, now seen corresponding path program 1 times [2024-10-25 19:36:12,597 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-25 19:36:12,597 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1340153346] [2024-10-25 19:36:12,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-25 19:36:12,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-25 19:36:12,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-25 19:36:12,995 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 92 proven. 17 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2024-10-25 19:36:12,995 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-25 19:36:12,995 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1340153346] [2024-10-25 19:36:12,995 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1340153346] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-25 19:36:12,995 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2129786523] [2024-10-25 19:36:12,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-25 19:36:12,996 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-25 19:36:12,996 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-25 19:36:12,997 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-25 19:36:12,998 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-10-25 19:36:13,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-25 19:36:13,424 INFO L255 TraceCheckSpWp]: Trace formula consists of 1395 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-25 19:36:13,427 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-25 19:36:13,464 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 109 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2024-10-25 19:36:13,465 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-25 19:36:13,465 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2129786523] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-25 19:36:13,465 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-25 19:36:13,465 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 6 [2024-10-25 19:36:13,465 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [215237277] [2024-10-25 19:36:13,465 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-25 19:36:13,465 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-25 19:36:13,465 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-25 19:36:13,466 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-25 19:36:13,466 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-25 19:36:13,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-25 19:36:13,466 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-25 19:36:13,466 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 35.6) internal successors, (178), 5 states have internal predecessors, (178), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-25 19:36:13,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-25 19:36:13,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-25 19:36:13,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-25 19:36:13,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-10-25 19:36:13,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-25 19:36:14,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-25 19:36:14,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-25 19:36:14,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-25 19:36:14,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-10-25 19:36:14,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-25 19:36:14,898 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2024-10-25 19:36:15,083 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,18 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-25 19:36:15,084 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting runErr1ASSERT_VIOLATIONUNKNOWN === [runErr2ASSERT_VIOLATIONERROR_FUNCTION, runErr0ASSERT_VIOLATIONERROR_FUNCTION, runErr1ASSERT_VIOLATIONUNKNOWN] === [2024-10-25 19:36:15,084 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-25 19:36:15,084 INFO L85 PathProgramCache]: Analyzing trace with hash -669212673, now seen corresponding path program 1 times [2024-10-25 19:36:15,084 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-25 19:36:15,084 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [816487575] [2024-10-25 19:36:15,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-25 19:36:15,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-25 19:36:15,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-25 19:36:15,412 INFO L134 CoverageAnalysis]: Checked inductivity of 4621 backedges. 653 proven. 0 refuted. 0 times theorem prover too weak. 3968 trivial. 0 not checked. [2024-10-25 19:36:15,412 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-25 19:36:15,412 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [816487575] [2024-10-25 19:36:15,413 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [816487575] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-25 19:36:15,413 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-25 19:36:15,413 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-25 19:36:15,413 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [663283210] [2024-10-25 19:36:15,413 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-25 19:36:15,414 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-25 19:36:15,414 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-25 19:36:15,414 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-25 19:36:15,414 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-25 19:36:15,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-25 19:36:15,414 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-25 19:36:15,415 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 56.333333333333336) internal successors, (169), 3 states have internal predecessors, (169), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-25 19:36:15,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-25 19:36:15,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-25 19:36:15,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-25 19:36:15,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-10-25 19:36:15,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-25 19:36:15,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-25 19:36:15,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-25 19:36:15,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-25 19:36:15,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-25 19:36:15,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-10-25 19:36:15,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-25 19:36:15,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-25 19:36:15,595 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-10-25 19:36:15,595 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting runErr1ASSERT_VIOLATIONUNKNOWN === [runErr2ASSERT_VIOLATIONERROR_FUNCTION, runErr0ASSERT_VIOLATIONERROR_FUNCTION, runErr1ASSERT_VIOLATIONUNKNOWN] === [2024-10-25 19:36:15,595 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-25 19:36:15,595 INFO L85 PathProgramCache]: Analyzing trace with hash 1125196751, now seen corresponding path program 1 times [2024-10-25 19:36:15,595 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-25 19:36:15,596 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1523507817] [2024-10-25 19:36:15,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-25 19:36:15,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-25 19:36:15,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-25 19:36:16,478 INFO L134 CoverageAnalysis]: Checked inductivity of 4305 backedges. 1004 proven. 32 refuted. 0 times theorem prover too weak. 3269 trivial. 0 not checked. [2024-10-25 19:36:16,479 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-25 19:36:16,479 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1523507817] [2024-10-25 19:36:16,479 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1523507817] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-25 19:36:16,479 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [379093279] [2024-10-25 19:36:16,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-25 19:36:16,480 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-25 19:36:16,480 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-25 19:36:16,481 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-25 19:36:16,492 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-10-25 19:36:17,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-25 19:36:17,620 INFO L255 TraceCheckSpWp]: Trace formula consists of 5216 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-25 19:36:17,630 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-25 19:36:17,696 INFO L134 CoverageAnalysis]: Checked inductivity of 4305 backedges. 1036 proven. 0 refuted. 0 times theorem prover too weak. 3269 trivial. 0 not checked. [2024-10-25 19:36:17,697 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-25 19:36:17,697 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [379093279] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-25 19:36:17,697 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-25 19:36:17,697 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 6 [2024-10-25 19:36:17,697 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1058004450] [2024-10-25 19:36:17,697 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-25 19:36:17,697 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-25 19:36:17,698 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-25 19:36:17,698 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-25 19:36:17,698 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-25 19:36:17,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-25 19:36:17,698 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-25 19:36:17,698 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 47.2) internal successors, (236), 5 states have internal predecessors, (236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-25 19:36:17,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-25 19:36:17,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-25 19:36:17,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-25 19:36:17,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-10-25 19:36:17,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-25 19:36:17,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-25 19:36:17,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-25 19:36:18,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-25 19:36:18,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-25 19:36:18,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-25 19:36:18,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-10-25 19:36:18,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-25 19:36:18,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-25 19:36:18,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-25 19:36:18,462 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2024-10-25 19:36:18,641 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2024-10-25 19:36:18,641 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting runErr1ASSERT_VIOLATIONUNKNOWN === [runErr2ASSERT_VIOLATIONERROR_FUNCTION, runErr0ASSERT_VIOLATIONERROR_FUNCTION, runErr1ASSERT_VIOLATIONUNKNOWN] === [2024-10-25 19:36:18,641 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-25 19:36:18,641 INFO L85 PathProgramCache]: Analyzing trace with hash 514729979, now seen corresponding path program 1 times [2024-10-25 19:36:18,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-25 19:36:18,642 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [290898402] [2024-10-25 19:36:18,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-25 19:36:18,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-25 19:36:19,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-25 19:36:22,178 INFO L134 CoverageAnalysis]: Checked inductivity of 43811 backedges. 7497 proven. 187 refuted. 0 times theorem prover too weak. 36127 trivial. 0 not checked. [2024-10-25 19:36:22,178 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-25 19:36:22,178 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [290898402] [2024-10-25 19:36:22,178 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [290898402] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-25 19:36:22,178 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1380901197] [2024-10-25 19:36:22,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-25 19:36:22,179 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-25 19:36:22,179 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-25 19:36:22,181 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-25 19:36:22,182 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-10-25 19:36:24,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-25 19:36:24,806 INFO L255 TraceCheckSpWp]: Trace formula consists of 16051 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-25 19:36:24,837 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-25 19:36:25,029 INFO L134 CoverageAnalysis]: Checked inductivity of 43811 backedges. 7684 proven. 0 refuted. 0 times theorem prover too weak. 36127 trivial. 0 not checked. [2024-10-25 19:36:25,029 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-25 19:36:25,029 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1380901197] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-25 19:36:25,029 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-25 19:36:25,029 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 6 [2024-10-25 19:36:25,030 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1309496087] [2024-10-25 19:36:25,030 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-25 19:36:25,030 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-25 19:36:25,031 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-25 19:36:25,031 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-25 19:36:25,031 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-25 19:36:25,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-25 19:36:25,032 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-25 19:36:25,032 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 55.6) internal successors, (278), 5 states have internal predecessors, (278), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-25 19:36:25,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-25 19:36:25,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-25 19:36:25,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-25 19:36:25,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-10-25 19:36:25,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-25 19:36:25,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-25 19:36:25,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-25 19:36:25,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-25 19:36:25,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-25 19:36:25,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-25 19:36:25,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-25 19:36:25,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-10-25 19:36:25,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-25 19:36:25,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-25 19:36:25,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-25 19:36:25,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-25 19:36:25,325 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2024-10-25 19:36:25,482 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,20 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-25 19:36:25,482 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting runErr1ASSERT_VIOLATIONUNKNOWN === [runErr2ASSERT_VIOLATIONERROR_FUNCTION, runErr0ASSERT_VIOLATIONERROR_FUNCTION, runErr1ASSERT_VIOLATIONUNKNOWN] === [2024-10-25 19:36:25,482 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-25 19:36:25,482 INFO L85 PathProgramCache]: Analyzing trace with hash 541375404, now seen corresponding path program 1 times [2024-10-25 19:36:25,483 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-25 19:36:25,483 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1731945181] [2024-10-25 19:36:25,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-25 19:36:25,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-25 19:36:25,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-25 19:36:25,706 INFO L134 CoverageAnalysis]: Checked inductivity of 385 backedges. 65 proven. 216 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2024-10-25 19:36:25,706 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-25 19:36:25,706 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1731945181] [2024-10-25 19:36:25,707 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1731945181] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-25 19:36:25,707 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1246619116] [2024-10-25 19:36:25,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-25 19:36:25,707 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-25 19:36:25,707 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-25 19:36:25,708 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-25 19:36:25,709 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-10-25 19:36:26,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-25 19:36:26,310 INFO L255 TraceCheckSpWp]: Trace formula consists of 1918 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-25 19:36:26,314 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-25 19:36:26,483 INFO L134 CoverageAnalysis]: Checked inductivity of 385 backedges. 281 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2024-10-25 19:36:26,483 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-25 19:36:26,483 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1246619116] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-25 19:36:26,483 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-25 19:36:26,483 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 6 [2024-10-25 19:36:26,483 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [589467844] [2024-10-25 19:36:26,483 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-25 19:36:26,484 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-25 19:36:26,484 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-25 19:36:26,484 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-25 19:36:26,484 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-25 19:36:26,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-25 19:36:26,484 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-25 19:36:26,484 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 43.0) internal successors, (215), 5 states have internal predecessors, (215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-25 19:36:26,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-25 19:36:26,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-25 19:36:26,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-25 19:36:26,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-10-25 19:36:26,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-25 19:36:26,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-25 19:36:26,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-25 19:36:26,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-25 19:36:26,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-25 19:36:29,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-25 19:36:29,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-25 19:36:29,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-25 19:36:29,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-10-25 19:36:29,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-25 19:36:29,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-25 19:36:29,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-25 19:36:29,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-25 19:36:29,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-25 19:36:29,841 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2024-10-25 19:36:30,023 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2024-10-25 19:36:30,023 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting runErr1ASSERT_VIOLATIONUNKNOWN === [runErr2ASSERT_VIOLATIONERROR_FUNCTION, runErr0ASSERT_VIOLATIONERROR_FUNCTION, runErr1ASSERT_VIOLATIONUNKNOWN] === [2024-10-25 19:36:30,024 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-25 19:36:30,024 INFO L85 PathProgramCache]: Analyzing trace with hash 1058678328, now seen corresponding path program 1 times [2024-10-25 19:36:30,024 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-25 19:36:30,024 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1640948562] [2024-10-25 19:36:30,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-25 19:36:30,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-25 19:36:30,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-25 19:36:30,308 INFO L134 CoverageAnalysis]: Checked inductivity of 269 backedges. 129 proven. 11 refuted. 0 times theorem prover too weak. 129 trivial. 0 not checked. [2024-10-25 19:36:30,308 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-25 19:36:30,308 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1640948562] [2024-10-25 19:36:30,308 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1640948562] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-25 19:36:30,308 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [82543209] [2024-10-25 19:36:30,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-25 19:36:30,308 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-25 19:36:30,308 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-25 19:36:30,310 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-25 19:36:30,311 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-10-25 19:36:30,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-25 19:36:30,885 INFO L255 TraceCheckSpWp]: Trace formula consists of 1678 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-25 19:36:30,890 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-25 19:36:31,054 INFO L134 CoverageAnalysis]: Checked inductivity of 269 backedges. 130 proven. 10 refuted. 0 times theorem prover too weak. 129 trivial. 0 not checked. [2024-10-25 19:36:31,055 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-25 19:36:31,256 INFO L134 CoverageAnalysis]: Checked inductivity of 269 backedges. 129 proven. 11 refuted. 0 times theorem prover too weak. 129 trivial. 0 not checked. [2024-10-25 19:36:31,256 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [82543209] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-25 19:36:31,256 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-25 19:36:31,256 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 10 [2024-10-25 19:36:31,257 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [947021811] [2024-10-25 19:36:31,257 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-25 19:36:31,257 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-25 19:36:31,257 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-25 19:36:31,258 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-25 19:36:31,258 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2024-10-25 19:36:31,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-25 19:36:31,258 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-25 19:36:31,258 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 26.9) internal successors, (269), 10 states have internal predecessors, (269), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-25 19:36:31,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-25 19:36:31,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-25 19:36:31,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-25 19:36:31,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-10-25 19:36:31,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-25 19:36:31,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-25 19:36:31,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-25 19:36:31,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-25 19:36:31,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-25 19:36:31,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-25 19:36:31,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-25 19:36:31,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-25 19:36:31,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-25 19:36:31,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-10-25 19:36:31,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-25 19:36:31,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-25 19:36:31,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-25 19:36:31,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-25 19:36:31,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-25 19:36:31,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-25 19:36:31,892 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2024-10-25 19:36:32,072 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2024-10-25 19:36:32,072 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting runErr1ASSERT_VIOLATIONUNKNOWN === [runErr2ASSERT_VIOLATIONERROR_FUNCTION, runErr0ASSERT_VIOLATIONERROR_FUNCTION, runErr1ASSERT_VIOLATIONUNKNOWN] === [2024-10-25 19:36:32,072 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-25 19:36:32,073 INFO L85 PathProgramCache]: Analyzing trace with hash 1563003282, now seen corresponding path program 2 times [2024-10-25 19:36:32,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-25 19:36:32,073 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [661461213] [2024-10-25 19:36:32,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-25 19:36:32,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-25 19:36:32,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-25 19:36:32,488 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 97 proven. 12 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-10-25 19:36:32,488 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-25 19:36:32,488 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [661461213] [2024-10-25 19:36:32,488 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [661461213] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-25 19:36:32,488 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [805116034] [2024-10-25 19:36:32,488 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-25 19:36:32,489 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-25 19:36:32,489 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-25 19:36:32,490 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-25 19:36:32,492 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-10-25 19:36:33,079 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-25 19:36:33,080 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-25 19:36:33,085 INFO L255 TraceCheckSpWp]: Trace formula consists of 1302 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-10-25 19:36:33,088 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-25 19:36:33,131 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 49 proven. 1 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2024-10-25 19:36:33,131 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-25 19:36:33,161 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 49 proven. 1 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2024-10-25 19:36:33,161 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [805116034] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-25 19:36:33,161 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-25 19:36:33,161 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 5] total 12 [2024-10-25 19:36:33,161 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [907197674] [2024-10-25 19:36:33,162 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-25 19:36:33,162 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-25 19:36:33,162 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-25 19:36:33,162 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-25 19:36:33,163 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2024-10-25 19:36:33,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-25 19:36:33,163 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-25 19:36:33,163 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 25.916666666666668) internal successors, (311), 12 states have internal predecessors, (311), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-25 19:36:33,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-25 19:36:33,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-25 19:36:33,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-25 19:36:33,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-10-25 19:36:33,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-25 19:36:33,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-25 19:36:33,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-25 19:36:33,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-25 19:36:33,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-25 19:36:33,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-25 19:36:33,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-25 19:36:41,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-25 19:36:41,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-25 19:36:41,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-25 19:36:41,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-10-25 19:36:41,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-25 19:36:41,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-25 19:36:41,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-25 19:36:41,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-25 19:36:41,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-25 19:36:41,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-25 19:36:41,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-25 19:36:41,361 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2024-10-25 19:36:41,546 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2024-10-25 19:36:41,546 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting runErr2ASSERT_VIOLATIONERROR_FUNCTION === [runErr2ASSERT_VIOLATIONERROR_FUNCTION, runErr0ASSERT_VIOLATIONERROR_FUNCTION, runErr1ASSERT_VIOLATIONUNKNOWN] === [2024-10-25 19:36:41,546 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-25 19:36:41,546 INFO L85 PathProgramCache]: Analyzing trace with hash 1018084366, now seen corresponding path program 1 times [2024-10-25 19:36:41,546 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-25 19:36:41,546 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [754597950] [2024-10-25 19:36:41,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-25 19:36:41,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-25 19:36:41,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-25 19:36:41,672 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-25 19:36:41,672 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-25 19:36:41,672 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [754597950] [2024-10-25 19:36:41,672 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [754597950] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-25 19:36:41,673 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1312160773] [2024-10-25 19:36:41,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-25 19:36:41,673 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-25 19:36:41,673 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-25 19:36:41,674 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-25 19:36:41,675 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2024-10-25 19:36:42,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-25 19:36:42,058 INFO L255 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-10-25 19:36:42,059 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-25 19:36:42,126 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-25 19:36:42,126 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-25 19:36:42,218 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-25 19:36:42,219 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1312160773] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-25 19:36:42,219 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-25 19:36:42,219 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 12 [2024-10-25 19:36:42,219 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2110982849] [2024-10-25 19:36:42,219 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-25 19:36:42,219 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-25 19:36:42,219 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-25 19:36:42,220 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-25 19:36:42,220 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2024-10-25 19:36:42,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-25 19:36:42,220 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-25 19:36:42,220 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.833333333333333) internal successors, (82), 12 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-25 19:36:42,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-25 19:36:42,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-25 19:36:42,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-25 19:36:42,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-10-25 19:36:42,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-25 19:36:42,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-25 19:36:42,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-25 19:36:42,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-25 19:36:42,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-25 19:36:42,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-25 19:36:42,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-10-25 19:36:42,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-25 19:36:44,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-25 19:36:44,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-25 19:36:44,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-25 19:36:44,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-10-25 19:36:44,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-25 19:36:44,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-25 19:36:44,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-25 19:36:44,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-25 19:36:44,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-25 19:36:44,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-25 19:36:44,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-10-25 19:36:44,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-25 19:36:44,677 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Ended with exit code 0 [2024-10-25 19:36:44,863 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2024-10-25 19:36:44,863 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting runErr1ASSERT_VIOLATIONUNKNOWN === [runErr2ASSERT_VIOLATIONERROR_FUNCTION, runErr0ASSERT_VIOLATIONERROR_FUNCTION, runErr1ASSERT_VIOLATIONUNKNOWN] === [2024-10-25 19:36:44,864 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-25 19:36:44,864 INFO L85 PathProgramCache]: Analyzing trace with hash 830945767, now seen corresponding path program 1 times [2024-10-25 19:36:44,864 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-25 19:36:44,864 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1480287431] [2024-10-25 19:36:44,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-25 19:36:44,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-25 19:36:44,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-25 19:36:44,934 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2024-10-25 19:36:44,934 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-25 19:36:44,934 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1480287431] [2024-10-25 19:36:44,935 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1480287431] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-25 19:36:44,935 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-25 19:36:44,935 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-25 19:36:44,935 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [475155816] [2024-10-25 19:36:44,935 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-25 19:36:44,935 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-25 19:36:44,935 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-25 19:36:44,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-25 19:36:44,936 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-25 19:36:44,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-25 19:36:44,936 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-25 19:36:44,937 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 3 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-25 19:36:44,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-25 19:36:44,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-25 19:36:44,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-25 19:36:44,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-10-25 19:36:44,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-25 19:36:44,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-25 19:36:44,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-25 19:36:44,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-25 19:36:44,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-25 19:36:44,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-25 19:36:44,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-10-25 19:36:44,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-10-25 19:36:44,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-25 19:36:46,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-25 19:36:46,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-25 19:36:46,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-25 19:36:46,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-10-25 19:36:46,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-25 19:36:46,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-25 19:36:46,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-25 19:36:46,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-25 19:36:46,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-25 19:36:46,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-25 19:36:46,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-10-25 19:36:46,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-25 19:36:46,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-25 19:36:46,060 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-10-25 19:36:46,060 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting runErr1ASSERT_VIOLATIONUNKNOWN === [runErr2ASSERT_VIOLATIONERROR_FUNCTION, runErr0ASSERT_VIOLATIONERROR_FUNCTION, runErr1ASSERT_VIOLATIONUNKNOWN] === [2024-10-25 19:36:46,060 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-25 19:36:46,060 INFO L85 PathProgramCache]: Analyzing trace with hash 1574131317, now seen corresponding path program 1 times [2024-10-25 19:36:46,060 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-25 19:36:46,060 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [308841367] [2024-10-25 19:36:46,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-25 19:36:46,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-25 19:36:46,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-25 19:36:46,238 INFO L134 CoverageAnalysis]: Checked inductivity of 281 backedges. 129 proven. 0 refuted. 0 times theorem prover too weak. 152 trivial. 0 not checked. [2024-10-25 19:36:46,238 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-25 19:36:46,238 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [308841367] [2024-10-25 19:36:46,238 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [308841367] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-25 19:36:46,238 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-25 19:36:46,238 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-25 19:36:46,239 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [960110190] [2024-10-25 19:36:46,239 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-25 19:36:46,239 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-25 19:36:46,239 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-25 19:36:46,239 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-25 19:36:46,240 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-25 19:36:46,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-25 19:36:46,240 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-25 19:36:46,240 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 37.0) internal successors, (148), 4 states have internal predecessors, (148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-25 19:36:46,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-25 19:36:46,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-25 19:36:46,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-25 19:36:46,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-10-25 19:36:46,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-25 19:36:46,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-25 19:36:46,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-25 19:36:46,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-25 19:36:46,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-25 19:36:46,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-25 19:36:46,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-10-25 19:36:46,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-10-25 19:36:46,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-25 19:36:46,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-25 19:36:47,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-25 19:36:47,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-25 19:36:47,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-25 19:36:47,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-10-25 19:36:47,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-25 19:36:47,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-25 19:36:47,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-25 19:36:47,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-25 19:36:47,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-25 19:36:47,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-25 19:36:47,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-10-25 19:36:47,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-25 19:36:47,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-25 19:36:47,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-25 19:36:47,361 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-10-25 19:36:47,361 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting runErr1ASSERT_VIOLATIONUNKNOWN === [runErr2ASSERT_VIOLATIONERROR_FUNCTION, runErr0ASSERT_VIOLATIONERROR_FUNCTION, runErr1ASSERT_VIOLATIONUNKNOWN] === [2024-10-25 19:36:47,361 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-25 19:36:47,361 INFO L85 PathProgramCache]: Analyzing trace with hash 1678470452, now seen corresponding path program 1 times [2024-10-25 19:36:47,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-25 19:36:47,361 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1291311296] [2024-10-25 19:36:47,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-25 19:36:47,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-25 19:36:47,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-25 19:36:47,710 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2024-10-25 19:36:47,711 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-25 19:36:47,711 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1291311296] [2024-10-25 19:36:47,711 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1291311296] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-25 19:36:47,711 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [507866176] [2024-10-25 19:36:47,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-25 19:36:47,712 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-25 19:36:47,712 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-25 19:36:47,714 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-25 19:36:47,715 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2024-10-25 19:36:48,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-25 19:36:48,176 INFO L255 TraceCheckSpWp]: Trace formula consists of 715 conjuncts, 124 conjuncts are in the unsatisfiable core [2024-10-25 19:36:48,179 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-25 19:36:48,324 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2024-10-25 19:36:48,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-25 19:36:48,391 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2024-10-25 19:36:48,474 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-25 19:36:48,474 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-25 19:36:48,474 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [507866176] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-25 19:36:48,475 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-25 19:36:48,475 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [7] total 17 [2024-10-25 19:36:48,475 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [87046633] [2024-10-25 19:36:48,475 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-25 19:36:48,475 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-25 19:36:48,475 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-25 19:36:48,476 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-25 19:36:48,477 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=221, Unknown=0, NotChecked=0, Total=272 [2024-10-25 19:36:48,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-25 19:36:48,477 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-25 19:36:48,477 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 9.833333333333334) internal successors, (118), 11 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-25 19:36:48,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-25 19:36:48,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-25 19:36:48,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-25 19:36:48,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-10-25 19:36:48,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-25 19:36:48,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-25 19:36:48,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-25 19:36:48,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-25 19:36:48,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-25 19:36:48,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-25 19:36:48,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-10-25 19:36:48,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-10-25 19:36:48,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-25 19:36:48,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-25 19:36:48,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-25 19:36:53,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-25 19:36:53,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-25 19:36:53,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-25 19:36:53,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-10-25 19:36:53,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-25 19:36:53,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-25 19:36:53,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-25 19:36:53,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-25 19:36:53,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-25 19:36:53,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-25 19:36:53,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-10-25 19:36:53,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-25 19:36:53,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-25 19:36:53,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-25 19:36:53,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-25 19:36:53,791 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Ended with exit code 0 [2024-10-25 19:36:53,976 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,25 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-25 19:36:53,976 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting runErr1ASSERT_VIOLATIONUNKNOWN === [runErr2ASSERT_VIOLATIONERROR_FUNCTION, runErr0ASSERT_VIOLATIONERROR_FUNCTION, runErr1ASSERT_VIOLATIONUNKNOWN] === [2024-10-25 19:36:53,976 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-25 19:36:53,977 INFO L85 PathProgramCache]: Analyzing trace with hash 1670254731, now seen corresponding path program 2 times [2024-10-25 19:36:53,977 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-25 19:36:53,977 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1379098351] [2024-10-25 19:36:53,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-25 19:36:53,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-25 19:36:54,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-25 19:36:54,220 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-10-25 19:36:54,220 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-25 19:36:54,220 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1379098351] [2024-10-25 19:36:54,220 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1379098351] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-25 19:36:54,220 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1059612040] [2024-10-25 19:36:54,220 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-25 19:36:54,221 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-25 19:36:54,221 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-25 19:36:54,222 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-25 19:36:54,222 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2024-10-25 19:36:54,653 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-25 19:36:54,653 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-25 19:36:54,657 INFO L255 TraceCheckSpWp]: Trace formula consists of 656 conjuncts, 211 conjuncts are in the unsatisfiable core [2024-10-25 19:36:54,664 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-25 19:36:54,672 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-10-25 19:36:54,672 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2024-10-25 19:36:54,711 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-10-25 19:36:54,734 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-10-25 19:36:54,768 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-10-25 19:36:54,982 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-10-25 19:36:54,982 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-25 19:36:55,166 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 86 [2024-10-25 19:36:55,468 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 9 proven. 17 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-10-25 19:36:55,468 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1059612040] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-25 19:36:55,468 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-25 19:36:55,468 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 14] total 26 [2024-10-25 19:36:55,468 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2088216249] [2024-10-25 19:36:55,468 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-25 19:36:55,468 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-10-25 19:36:55,469 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-25 19:36:55,469 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-10-25 19:36:55,469 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=568, Unknown=10, NotChecked=0, Total=650 [2024-10-25 19:36:55,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-25 19:36:55,469 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-25 19:36:55,470 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 8.384615384615385) internal successors, (218), 26 states have internal predecessors, (218), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-25 19:36:55,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-25 19:36:55,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-25 19:36:55,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-25 19:36:55,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-10-25 19:36:55,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-25 19:36:55,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-25 19:36:55,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-25 19:36:55,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-25 19:36:55,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-25 19:36:55,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-25 19:36:55,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-10-25 19:36:55,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-10-25 19:36:55,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-25 19:36:55,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-25 19:36:55,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-10-25 19:36:55,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-25 19:38:54,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-25 19:38:54,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-25 19:38:54,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-25 19:38:54,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 85 states. [2024-10-25 19:38:54,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-25 19:38:54,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-25 19:38:54,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-25 19:38:54,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-25 19:38:54,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-25 19:38:54,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-25 19:38:54,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-10-25 19:38:54,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-25 19:38:54,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-25 19:38:54,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-25 19:38:54,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-25 19:38:54,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-25 19:38:54,969 INFO L782 garLoopResultBuilder]: Registering result SAFE for location runErr2ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2024-10-25 19:38:54,969 INFO L782 garLoopResultBuilder]: Registering result SAFE for location runErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 3 remaining) [2024-10-25 19:38:54,969 INFO L782 garLoopResultBuilder]: Registering result SAFE for location runErr1ASSERT_VIOLATIONUNKNOWN (0 of 3 remaining) [2024-10-25 19:38:54,985 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Ended with exit code 0 [2024-10-25 19:38:55,169 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable31 [2024-10-25 19:38:55,171 INFO L407 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-25 19:38:55,171 INFO L312 ceAbstractionStarter]: Result for error location runThread1of2ForFork0 was SAFE,SAFE,SAFE (2/3) [2024-10-25 19:38:55,175 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-25 19:38:55,175 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-10-25 19:38:55,175 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-25 19:38:55,176 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-10-25 19:38:55,177 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (27)] Waiting until timeout for monitored process [2024-10-25 19:38:55,180 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-10-25 19:38:55,180 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-10-25 19:38:55,180 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@71f90d29, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-25 19:38:55,181 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-10-25 19:38:55,805 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-25 19:38:55,805 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-25 19:38:55,805 INFO L85 PathProgramCache]: Analyzing trace with hash 1561459773, now seen corresponding path program 1 times [2024-10-25 19:38:55,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-25 19:38:55,805 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [19352886] [2024-10-25 19:38:55,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-25 19:38:55,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-25 19:38:55,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-25 19:38:55,819 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-10-25 19:38:55,820 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-25 19:38:55,820 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [19352886] [2024-10-25 19:38:55,820 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [19352886] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-25 19:38:55,820 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-25 19:38:55,820 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-25 19:38:55,820 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [749791749] [2024-10-25 19:38:55,820 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-25 19:38:55,820 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-25 19:38:55,820 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-25 19:38:55,820 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-25 19:38:55,820 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-25 19:38:55,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-25 19:38:55,820 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-25 19:38:55,821 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-25 19:38:55,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-25 19:38:55,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-25 19:38:55,867 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-10-25 19:38:55,867 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-25 19:38:55,867 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-25 19:38:55,867 INFO L85 PathProgramCache]: Analyzing trace with hash -772815980, now seen corresponding path program 1 times [2024-10-25 19:38:55,867 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-25 19:38:55,867 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1492741429] [2024-10-25 19:38:55,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-25 19:38:55,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-25 19:38:55,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-25 19:38:55,880 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-25 19:38:55,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-25 19:38:55,908 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-25 19:38:55,908 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-25 19:38:55,908 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 3 remaining) [2024-10-25 19:38:55,908 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 3 remaining) [2024-10-25 19:38:55,909 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (0 of 3 remaining) [2024-10-25 19:38:55,909 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2024-10-25 19:38:55,909 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-10-25 19:38:55,909 INFO L312 ceAbstractionStarter]: Result for error location ULTIMATE.start was UNSAFE,UNKNOWN,UNKNOWN (3/3) [2024-10-25 19:38:55,910 WARN L239 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2024-10-25 19:38:55,910 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2024-10-25 19:38:55,993 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-10-25 19:38:55,996 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-25 19:38:55,996 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-10-25 19:38:55,996 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-25 19:38:55,997 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-10-25 19:38:55,999 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (28)] Waiting until timeout for monitored process [2024-10-25 19:38:56,001 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-10-25 19:38:56,001 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == runThread1of3ForFork0 ======== [2024-10-25 19:38:56,001 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@71f90d29, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-25 19:38:56,001 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-10-25 19:38:58,089 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting runErr2ASSERT_VIOLATIONERROR_FUNCTION === [runErr2ASSERT_VIOLATIONERROR_FUNCTION, runErr0ASSERT_VIOLATIONERROR_FUNCTION, runErr1ASSERT_VIOLATIONUNKNOWN] === [2024-10-25 19:38:58,090 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-25 19:38:58,090 INFO L85 PathProgramCache]: Analyzing trace with hash 459798105, now seen corresponding path program 1 times [2024-10-25 19:38:58,090 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-25 19:38:58,090 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [10962662] [2024-10-25 19:38:58,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-25 19:38:58,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-25 19:38:58,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-25 19:38:58,134 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 242 trivial. 0 not checked. [2024-10-25 19:38:58,134 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-25 19:38:58,135 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [10962662] [2024-10-25 19:38:58,135 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [10962662] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-25 19:38:58,135 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-25 19:38:58,135 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-25 19:38:58,135 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1716132706] [2024-10-25 19:38:58,135 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-25 19:38:58,135 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-25 19:38:58,135 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-25 19:38:58,135 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-25 19:38:58,135 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-25 19:38:58,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-25 19:38:58,136 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-25 19:38:58,136 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 36.5) internal successors, (73), 2 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-25 19:38:58,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-25 19:38:58,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-25 19:38:58,298 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2024-10-25 19:38:58,298 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting runErr2ASSERT_VIOLATIONERROR_FUNCTION === [runErr2ASSERT_VIOLATIONERROR_FUNCTION, runErr0ASSERT_VIOLATIONERROR_FUNCTION, runErr1ASSERT_VIOLATIONUNKNOWN] === [2024-10-25 19:38:58,298 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-25 19:38:58,298 INFO L85 PathProgramCache]: Analyzing trace with hash 1209501353, now seen corresponding path program 1 times [2024-10-25 19:38:58,298 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-25 19:38:58,298 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1755791069] [2024-10-25 19:38:58,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-25 19:38:58,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-25 19:38:58,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-25 19:38:58,480 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 450 trivial. 0 not checked. [2024-10-25 19:38:58,480 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-25 19:38:58,480 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1755791069] [2024-10-25 19:38:58,481 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1755791069] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-25 19:38:58,481 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [403113025] [2024-10-25 19:38:58,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-25 19:38:58,481 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-25 19:38:58,481 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-25 19:38:58,482 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-25 19:38:58,487 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2024-10-25 19:38:59,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-25 19:38:59,090 INFO L255 TraceCheckSpWp]: Trace formula consists of 1518 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-25 19:38:59,093 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-25 19:38:59,138 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 140 proven. 0 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2024-10-25 19:38:59,138 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-25 19:38:59,138 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [403113025] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-25 19:38:59,139 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-25 19:38:59,139 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 9 [2024-10-25 19:38:59,139 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [26530548] [2024-10-25 19:38:59,139 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-25 19:38:59,139 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-25 19:38:59,139 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-25 19:38:59,139 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-25 19:38:59,139 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-10-25 19:38:59,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-25 19:38:59,140 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-25 19:38:59,140 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 29.8) internal successors, (149), 5 states have internal predecessors, (149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-25 19:38:59,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-25 19:38:59,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-25 19:39:00,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-25 19:39:00,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-25 19:39:00,247 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Forceful destruction successful, exit code 0 [2024-10-25 19:39:00,431 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35,29 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-25 19:39:00,431 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting runErr2ASSERT_VIOLATIONERROR_FUNCTION === [runErr2ASSERT_VIOLATIONERROR_FUNCTION, runErr0ASSERT_VIOLATIONERROR_FUNCTION, runErr1ASSERT_VIOLATIONUNKNOWN] === [2024-10-25 19:39:00,431 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-25 19:39:00,431 INFO L85 PathProgramCache]: Analyzing trace with hash 7162370, now seen corresponding path program 1 times [2024-10-25 19:39:00,431 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-25 19:39:00,431 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [208864925] [2024-10-25 19:39:00,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-25 19:39:00,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-25 19:39:00,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-25 19:39:01,003 INFO L134 CoverageAnalysis]: Checked inductivity of 1468 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 1453 trivial. 0 not checked. [2024-10-25 19:39:01,003 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-25 19:39:01,003 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [208864925] [2024-10-25 19:39:01,003 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [208864925] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-25 19:39:01,003 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1950770639] [2024-10-25 19:39:01,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-25 19:39:01,004 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-25 19:39:01,004 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-25 19:39:01,005 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-25 19:39:01,006 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2024-10-25 19:39:01,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-25 19:39:01,848 INFO L255 TraceCheckSpWp]: Trace formula consists of 3041 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-25 19:39:01,854 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-25 19:39:01,912 INFO L134 CoverageAnalysis]: Checked inductivity of 1468 backedges. 329 proven. 0 refuted. 0 times theorem prover too weak. 1139 trivial. 0 not checked. [2024-10-25 19:39:01,913 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-25 19:39:01,913 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1950770639] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-25 19:39:01,913 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-25 19:39:01,913 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 9 [2024-10-25 19:39:01,913 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2076658275] [2024-10-25 19:39:01,913 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-25 19:39:01,913 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-25 19:39:01,913 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-25 19:39:01,914 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-25 19:39:01,914 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-10-25 19:39:01,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-25 19:39:01,914 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-25 19:39:01,914 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 42.4) internal successors, (212), 5 states have internal predecessors, (212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-25 19:39:01,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-25 19:39:01,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-25 19:39:01,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-25 19:39:02,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-25 19:39:02,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-25 19:39:02,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-25 19:39:02,209 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Ended with exit code 0 [2024-10-25 19:39:02,389 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36,30 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-25 19:39:02,390 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting runErr2ASSERT_VIOLATIONERROR_FUNCTION === [runErr2ASSERT_VIOLATIONERROR_FUNCTION, runErr0ASSERT_VIOLATIONERROR_FUNCTION, runErr1ASSERT_VIOLATIONUNKNOWN] === [2024-10-25 19:39:02,390 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-25 19:39:02,390 INFO L85 PathProgramCache]: Analyzing trace with hash -1403227638, now seen corresponding path program 2 times [2024-10-25 19:39:02,390 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-25 19:39:02,390 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [694563274] [2024-10-25 19:39:02,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-25 19:39:02,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-25 19:39:02,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-25 19:39:02,594 INFO L134 CoverageAnalysis]: Checked inductivity of 449 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 434 trivial. 0 not checked. [2024-10-25 19:39:02,594 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-25 19:39:02,594 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [694563274] [2024-10-25 19:39:02,594 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [694563274] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-25 19:39:02,594 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [361104866] [2024-10-25 19:39:02,594 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-25 19:39:02,594 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-25 19:39:02,594 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-25 19:39:02,595 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-25 19:39:02,596 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2024-10-25 19:39:03,227 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-25 19:39:03,227 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-25 19:39:03,233 INFO L255 TraceCheckSpWp]: Trace formula consists of 2003 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-10-25 19:39:03,238 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-25 19:39:03,538 INFO L134 CoverageAnalysis]: Checked inductivity of 449 backedges. 36 proven. 27 refuted. 0 times theorem prover too weak. 386 trivial. 0 not checked. [2024-10-25 19:39:03,538 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-25 19:39:03,980 INFO L134 CoverageAnalysis]: Checked inductivity of 449 backedges. 59 proven. 4 refuted. 0 times theorem prover too weak. 386 trivial. 0 not checked. [2024-10-25 19:39:03,980 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [361104866] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-25 19:39:03,980 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-25 19:39:03,980 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7, 7] total 13 [2024-10-25 19:39:03,980 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1675188693] [2024-10-25 19:39:03,980 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-25 19:39:03,981 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-25 19:39:03,981 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-25 19:39:03,981 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-25 19:39:03,981 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-10-25 19:39:03,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-25 19:39:03,982 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-25 19:39:03,982 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 26.846153846153847) internal successors, (349), 13 states have internal predecessors, (349), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-25 19:39:03,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-25 19:39:03,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-25 19:39:03,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-25 19:39:03,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-25 19:39:05,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-25 19:39:05,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-25 19:39:05,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-25 19:39:05,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-25 19:39:05,097 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Forceful destruction successful, exit code 0 [2024-10-25 19:39:05,280 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2024-10-25 19:39:05,281 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting runErr1ASSERT_VIOLATIONUNKNOWN === [runErr2ASSERT_VIOLATIONERROR_FUNCTION, runErr0ASSERT_VIOLATIONERROR_FUNCTION, runErr1ASSERT_VIOLATIONUNKNOWN] === [2024-10-25 19:39:05,281 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-25 19:39:05,281 INFO L85 PathProgramCache]: Analyzing trace with hash 871396465, now seen corresponding path program 1 times [2024-10-25 19:39:05,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-25 19:39:05,281 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1013505597] [2024-10-25 19:39:05,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-25 19:39:05,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-25 19:39:05,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-25 19:39:05,482 INFO L134 CoverageAnalysis]: Checked inductivity of 443 backedges. 153 proven. 21 refuted. 0 times theorem prover too weak. 269 trivial. 0 not checked. [2024-10-25 19:39:05,482 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-25 19:39:05,482 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1013505597] [2024-10-25 19:39:05,483 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1013505597] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-25 19:39:05,483 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1883296224] [2024-10-25 19:39:05,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-25 19:39:05,483 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-25 19:39:05,484 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-25 19:39:05,485 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-25 19:39:05,486 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2024-10-25 19:39:06,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-25 19:39:06,220 INFO L255 TraceCheckSpWp]: Trace formula consists of 2106 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-25 19:39:06,225 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-25 19:39:06,274 INFO L134 CoverageAnalysis]: Checked inductivity of 443 backedges. 174 proven. 0 refuted. 0 times theorem prover too weak. 269 trivial. 0 not checked. [2024-10-25 19:39:06,274 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-25 19:39:06,274 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1883296224] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-25 19:39:06,275 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-25 19:39:06,275 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 6 [2024-10-25 19:39:06,275 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [77967402] [2024-10-25 19:39:06,275 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-25 19:39:06,275 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-25 19:39:06,275 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-25 19:39:06,276 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-25 19:39:06,276 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-25 19:39:06,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-25 19:39:06,276 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-25 19:39:06,277 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 45.2) internal successors, (226), 5 states have internal predecessors, (226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-25 19:39:06,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-25 19:39:06,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-25 19:39:06,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-25 19:39:06,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-25 19:39:06,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-25 19:39:06,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-25 19:39:06,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-25 19:39:06,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-25 19:39:06,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-25 19:39:06,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-25 19:39:06,730 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Forceful destruction successful, exit code 0 [2024-10-25 19:39:06,912 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2024-10-25 19:39:06,913 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting runErr1ASSERT_VIOLATIONUNKNOWN === [runErr2ASSERT_VIOLATIONERROR_FUNCTION, runErr0ASSERT_VIOLATIONERROR_FUNCTION, runErr1ASSERT_VIOLATIONUNKNOWN] === [2024-10-25 19:39:06,913 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-25 19:39:06,913 INFO L85 PathProgramCache]: Analyzing trace with hash -404324580, now seen corresponding path program 1 times [2024-10-25 19:39:06,913 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-25 19:39:06,913 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1840337088] [2024-10-25 19:39:06,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-25 19:39:06,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-25 19:39:06,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-25 19:39:07,270 INFO L134 CoverageAnalysis]: Checked inductivity of 521 backedges. 279 proven. 18 refuted. 0 times theorem prover too weak. 224 trivial. 0 not checked. [2024-10-25 19:39:07,270 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-25 19:39:07,271 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1840337088] [2024-10-25 19:39:07,271 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1840337088] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-25 19:39:07,271 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [542220219] [2024-10-25 19:39:07,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-25 19:39:07,271 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-25 19:39:07,271 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-25 19:39:07,273 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-25 19:39:07,274 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2024-10-25 19:39:07,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-25 19:39:07,987 INFO L255 TraceCheckSpWp]: Trace formula consists of 2456 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-25 19:39:07,991 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-25 19:39:08,041 INFO L134 CoverageAnalysis]: Checked inductivity of 521 backedges. 297 proven. 0 refuted. 0 times theorem prover too weak. 224 trivial. 0 not checked. [2024-10-25 19:39:08,042 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-25 19:39:08,042 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [542220219] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-25 19:39:08,042 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-25 19:39:08,042 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 6 [2024-10-25 19:39:08,042 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1618107074] [2024-10-25 19:39:08,042 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-25 19:39:08,042 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-25 19:39:08,042 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-25 19:39:08,043 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-25 19:39:08,043 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-25 19:39:08,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-25 19:39:08,043 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-25 19:39:08,043 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 52.0) internal successors, (260), 5 states have internal predecessors, (260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-25 19:39:08,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-25 19:39:08,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-25 19:39:08,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-25 19:39:08,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-25 19:39:08,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-25 19:39:08,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-25 19:39:08,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-25 19:39:08,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-25 19:39:08,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-25 19:39:08,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-25 19:39:08,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-25 19:39:08,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-25 19:39:08,724 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Forceful destruction successful, exit code 0 [2024-10-25 19:39:08,906 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2024-10-25 19:39:08,906 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting runErr1ASSERT_VIOLATIONUNKNOWN === [runErr2ASSERT_VIOLATIONERROR_FUNCTION, runErr0ASSERT_VIOLATIONERROR_FUNCTION, runErr1ASSERT_VIOLATIONUNKNOWN] === [2024-10-25 19:39:08,906 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-25 19:39:08,906 INFO L85 PathProgramCache]: Analyzing trace with hash 596842736, now seen corresponding path program 1 times [2024-10-25 19:39:08,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-25 19:39:08,906 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [342859140] [2024-10-25 19:39:08,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-25 19:39:08,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-25 19:39:09,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-25 19:39:10,909 INFO L134 CoverageAnalysis]: Checked inductivity of 22137 backedges. 2782 proven. 33 refuted. 0 times theorem prover too weak. 19322 trivial. 0 not checked. [2024-10-25 19:39:10,910 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-25 19:39:10,910 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [342859140] [2024-10-25 19:39:10,910 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [342859140] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-25 19:39:10,910 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1922356377] [2024-10-25 19:39:10,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-25 19:39:10,910 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-25 19:39:10,911 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-25 19:39:10,912 INFO L229 MonitoredProcess]: Starting monitored process 34 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-25 19:39:10,913 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Waiting until timeout for monitored process [2024-10-25 19:39:12,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-25 19:39:12,976 INFO L255 TraceCheckSpWp]: Trace formula consists of 13110 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-25 19:39:12,994 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-25 19:39:13,060 INFO L134 CoverageAnalysis]: Checked inductivity of 22137 backedges. 2815 proven. 0 refuted. 0 times theorem prover too weak. 19322 trivial. 0 not checked. [2024-10-25 19:39:13,060 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-25 19:39:13,060 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1922356377] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-25 19:39:13,060 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-25 19:39:13,061 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 6 [2024-10-25 19:39:13,061 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1078461055] [2024-10-25 19:39:13,061 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-25 19:39:13,061 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-25 19:39:13,061 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-25 19:39:13,062 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-25 19:39:13,062 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-25 19:39:13,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-25 19:39:13,062 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-25 19:39:13,062 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 59.8) internal successors, (299), 5 states have internal predecessors, (299), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-25 19:39:13,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-25 19:39:13,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-25 19:39:13,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-25 19:39:13,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-25 19:39:13,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-25 19:39:13,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-25 19:39:13,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-25 19:39:13,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-25 19:39:13,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-25 19:39:13,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-25 19:39:13,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-25 19:39:13,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-25 19:39:13,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-25 19:39:13,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-25 19:39:13,599 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Ended with exit code 0 [2024-10-25 19:39:13,762 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,34 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-25 19:39:13,763 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting runErr1ASSERT_VIOLATIONUNKNOWN === [runErr2ASSERT_VIOLATIONERROR_FUNCTION, runErr0ASSERT_VIOLATIONERROR_FUNCTION, runErr1ASSERT_VIOLATIONUNKNOWN] === [2024-10-25 19:39:13,763 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-25 19:39:13,763 INFO L85 PathProgramCache]: Analyzing trace with hash 1529946236, now seen corresponding path program 2 times [2024-10-25 19:39:13,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-25 19:39:13,763 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [808001171] [2024-10-25 19:39:13,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-25 19:39:13,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-25 19:39:13,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-25 19:39:14,374 INFO L134 CoverageAnalysis]: Checked inductivity of 8552 backedges. 1864 proven. 0 refuted. 0 times theorem prover too weak. 6688 trivial. 0 not checked. [2024-10-25 19:39:14,374 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-25 19:39:14,374 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [808001171] [2024-10-25 19:39:14,374 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [808001171] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-25 19:39:14,374 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-25 19:39:14,374 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-25 19:39:14,374 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1922981477] [2024-10-25 19:39:14,375 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-25 19:39:14,375 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-25 19:39:14,375 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-25 19:39:14,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-25 19:39:14,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-25 19:39:14,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-25 19:39:14,376 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-25 19:39:14,376 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 84.33333333333333) internal successors, (253), 3 states have internal predecessors, (253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-25 19:39:14,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-25 19:39:14,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-25 19:39:14,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-25 19:39:14,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-25 19:39:14,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-25 19:39:14,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-25 19:39:14,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-25 19:39:14,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-25 19:39:14,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-25 19:39:14,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-25 19:39:14,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-25 19:39:14,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-25 19:39:14,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-25 19:39:14,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-25 19:39:14,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-25 19:39:14,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-25 19:39:14,581 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2024-10-25 19:39:14,581 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting runErr1ASSERT_VIOLATIONUNKNOWN === [runErr2ASSERT_VIOLATIONERROR_FUNCTION, runErr0ASSERT_VIOLATIONERROR_FUNCTION, runErr1ASSERT_VIOLATIONUNKNOWN] === [2024-10-25 19:39:14,581 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-25 19:39:14,581 INFO L85 PathProgramCache]: Analyzing trace with hash -211353076, now seen corresponding path program 3 times [2024-10-25 19:39:14,581 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-25 19:39:14,581 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1651773618] [2024-10-25 19:39:14,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-25 19:39:14,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-25 19:39:14,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-25 19:39:15,512 INFO L134 CoverageAnalysis]: Checked inductivity of 7050 backedges. 1802 proven. 45 refuted. 0 times theorem prover too weak. 5203 trivial. 0 not checked. [2024-10-25 19:39:15,512 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-25 19:39:15,512 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1651773618] [2024-10-25 19:39:15,512 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1651773618] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-25 19:39:15,512 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1450836670] [2024-10-25 19:39:15,512 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-25 19:39:15,512 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-25 19:39:15,513 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-25 19:39:15,513 INFO L229 MonitoredProcess]: Starting monitored process 35 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-25 19:39:15,514 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Waiting until timeout for monitored process [2024-10-25 19:39:16,415 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-10-25 19:39:16,415 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-25 19:39:16,421 INFO L255 TraceCheckSpWp]: Trace formula consists of 417 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-10-25 19:39:16,430 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-25 19:39:16,461 INFO L134 CoverageAnalysis]: Checked inductivity of 7050 backedges. 156 proven. 2 refuted. 0 times theorem prover too weak. 6892 trivial. 0 not checked. [2024-10-25 19:39:16,461 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-25 19:39:16,495 INFO L134 CoverageAnalysis]: Checked inductivity of 7050 backedges. 156 proven. 2 refuted. 0 times theorem prover too weak. 6892 trivial. 0 not checked. [2024-10-25 19:39:16,495 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1450836670] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-25 19:39:16,495 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-25 19:39:16,495 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2024-10-25 19:39:16,495 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [581613003] [2024-10-25 19:39:16,495 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-25 19:39:16,496 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-25 19:39:16,496 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-25 19:39:16,497 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-25 19:39:16,497 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2024-10-25 19:39:16,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-25 19:39:16,497 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-25 19:39:16,497 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 35.09090909090909) internal successors, (386), 11 states have internal predecessors, (386), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-25 19:39:16,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-25 19:39:16,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-25 19:39:16,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-25 19:39:16,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-25 19:39:16,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-25 19:39:16,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-25 19:39:16,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-25 19:39:16,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-25 19:39:16,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-25 19:39:16,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-25 19:39:16,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-25 19:39:16,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-25 19:39:16,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-25 19:39:16,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-25 19:39:16,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-25 19:39:16,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-25 19:39:16,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-25 19:39:16,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-25 19:39:16,994 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Forceful destruction successful, exit code 0 [2024-10-25 19:39:17,179 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42,35 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-25 19:39:17,179 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting runErr1ASSERT_VIOLATIONUNKNOWN === [runErr2ASSERT_VIOLATIONERROR_FUNCTION, runErr0ASSERT_VIOLATIONERROR_FUNCTION, runErr1ASSERT_VIOLATIONUNKNOWN] === [2024-10-25 19:39:17,180 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-25 19:39:17,180 INFO L85 PathProgramCache]: Analyzing trace with hash -2139508962, now seen corresponding path program 1 times [2024-10-25 19:39:17,180 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-25 19:39:17,180 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2090541405] [2024-10-25 19:39:17,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-25 19:39:17,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-25 19:39:17,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-25 19:39:17,505 INFO L134 CoverageAnalysis]: Checked inductivity of 728 backedges. 314 proven. 249 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2024-10-25 19:39:17,505 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-25 19:39:17,506 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2090541405] [2024-10-25 19:39:17,506 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2090541405] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-25 19:39:17,506 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [218730613] [2024-10-25 19:39:17,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-25 19:39:17,506 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-25 19:39:17,506 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-25 19:39:17,507 INFO L229 MonitoredProcess]: Starting monitored process 36 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-25 19:39:17,508 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Waiting until timeout for monitored process [2024-10-25 19:39:18,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-25 19:39:18,388 INFO L255 TraceCheckSpWp]: Trace formula consists of 2866 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-25 19:39:18,392 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-25 19:39:18,616 INFO L134 CoverageAnalysis]: Checked inductivity of 728 backedges. 563 proven. 0 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2024-10-25 19:39:18,617 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-25 19:39:18,617 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [218730613] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-25 19:39:18,617 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-25 19:39:18,617 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 6 [2024-10-25 19:39:18,617 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [767025994] [2024-10-25 19:39:18,617 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-25 19:39:18,617 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-25 19:39:18,617 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-25 19:39:18,618 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-25 19:39:18,618 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-25 19:39:18,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-25 19:39:18,618 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-25 19:39:18,618 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 65.2) internal successors, (326), 5 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-25 19:39:18,618 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-25 19:39:18,618 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-25 19:39:18,618 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-25 19:39:18,618 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-25 19:39:18,618 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-25 19:39:18,618 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-25 19:39:18,618 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-25 19:39:18,618 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-25 19:39:18,618 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-10-25 19:39:18,618 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.